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Finding the Fourth Proportional to 112,073.60, 168,110.40 and 104,200.40

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Solution

The fourth proportional to 112,073.60, 168,110.40 and 104,200.40 is: 156,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,073.60 : 168,110.40 = 104,200.40 : x
  2. Step 2: Convert to fraction form
    112,073.60/168,110.40 = 104,200.40/x
  3. Step 3: Cross multiply
    112,073.60x = 168,110.40 × 104,200.40
  4. Step 4: Simplify right side
    112,073.60x = 17,517,170,924.16
  5. Step 5: Solve for x
    x = 17,517,170,924.16/112,073.60
  6. Step 6: Final answer
    x = 156,300.60

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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.