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Finding the Fourth Proportional to 71,555,652.70, 107,333,479.05 and 71,555,652.70

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Solution

The fourth proportional to 71,555,652.70, 107,333,479.05 and 71,555,652.70 is: 107,333,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,555,652.70 : 107,333,479.05 = 71,555,652.70 : x
  2. Step 2: Convert to fraction form
    71,555,652.70/107,333,479.05 = 71,555,652.70/x
  3. Step 3: Cross multiply
    71,555,652.70x = 107,333,479.05 × 71,555,652.70
  4. Step 4: Simplify right side
    71,555,652.70x = 7,680,317,149,984,526
  5. Step 5: Solve for x
    x = 7,680,317,149,984,526/71,555,652.70
  6. Step 6: Final answer
    x = 107,333,479.05

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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.