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Finding the Fourth Proportional to 125,960,480.10, 188,940,720.15 and 125,960,480.10

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Solution

The fourth proportional to 125,960,480.10, 188,940,720.15 and 125,960,480.10 is: 188,940,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,960,480.10 : 188,940,720.15 = 125,960,480.10 : x
  2. Step 2: Convert to fraction form
    125,960,480.10/188,940,720.15 = 125,960,480.10/x
  3. Step 3: Cross multiply
    125,960,480.10x = 188,940,720.15 × 125,960,480.10
  4. Step 4: Simplify right side
    125,960,480.10x = 23,799,063,820,533,744
  5. Step 5: Solve for x
    x = 23,799,063,820,533,744/125,960,480.10
  6. Step 6: Final answer
    x = 188,940,720.15

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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.