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Finding the Fourth Proportional to 100,001.60, 149,800.80 and 62,446.40

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Solution

The fourth proportional to 100,001.60, 149,800.80 and 62,446.40 is: 93,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,001.60 : 149,800.80 = 62,446.40 : x
  2. Step 2: Convert to fraction form
    100,001.60/149,800.80 = 62,446.40/x
  3. Step 3: Cross multiply
    100,001.60x = 149,800.80 × 62,446.40
  4. Step 4: Simplify right side
    100,001.60x = 9,354,520,677.12
  5. Step 5: Solve for x
    x = 9,354,520,677.12/100,001.60
  6. Step 6: Final answer
    x = 93,543.71

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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.