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Finding the Fourth Proportional to 112,194,645.60, 168,291,968.40 and 100,101,410.40

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Solution

The fourth proportional to 112,194,645.60, 168,291,968.40 and 100,101,410.40 is: 150,152,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,194,645.60 : 168,291,968.40 = 100,101,410.40 : x
  2. Step 2: Convert to fraction form
    112,194,645.60/168,291,968.40 = 100,101,410.40/x
  3. Step 3: Cross multiply
    112,194,645.60x = 168,291,968.40 × 100,101,410.40
  4. Step 4: Simplify right side
    112,194,645.60x = 16,846,263,395,832,232
  5. Step 5: Solve for x
    x = 16,846,263,395,832,232/112,194,645.60
  6. Step 6: Final answer
    x = 150,152,115.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.