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Finding the Fourth Proportional to 112,195,603.60, 168,293,405.40 and 100,102,368.40

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Solution

The fourth proportional to 112,195,603.60, 168,293,405.40 and 100,102,368.40 is: 150,153,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,195,603.60 : 168,293,405.40 = 100,102,368.40 : x
  2. Step 2: Convert to fraction form
    112,195,603.60/168,293,405.40 = 100,102,368.40/x
  3. Step 3: Cross multiply
    112,195,603.60x = 168,293,405.40 × 100,102,368.40
  4. Step 4: Simplify right side
    112,195,603.60x = 16,846,568,466,641,350
  5. Step 5: Solve for x
    x = 16,846,568,466,641,350/112,195,603.60
  6. Step 6: Final answer
    x = 150,153,552.60

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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.