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Finding the Fourth Proportional to 59,812,166.72, 89,905,530.20 and 39,472,592.88

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Solution

The fourth proportional to 59,812,166.72, 89,905,530.20 and 39,472,592.88 is: 59,332,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,812,166.72 : 89,905,530.20 = 39,472,592.88 : x
  2. Step 2: Convert to fraction form
    59,812,166.72/89,905,530.20 = 39,472,592.88/x
  3. Step 3: Cross multiply
    59,812,166.72x = 89,905,530.20 × 39,472,592.88
  4. Step 4: Simplify right side
    59,812,166.72x = 3,548,804,391,245,145.50
  5. Step 5: Solve for x
    x = 3,548,804,391,245,145.50/59,812,166.72
  6. Step 6: Final answer
    x = 59,332,483.44

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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.