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Finding the Fourth Proportional to 52,861,428.11, 79,369,978.91 and 29,563,816.28

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Solution

The fourth proportional to 52,861,428.11, 79,369,978.91 and 29,563,816.28 is: 44,389,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,861,428.11 : 79,369,978.91 = 29,563,816.28 : x
  2. Step 2: Convert to fraction form
    52,861,428.11/79,369,978.91 = 29,563,816.28/x
  3. Step 3: Cross multiply
    52,861,428.11x = 79,369,978.91 × 29,563,816.28
  4. Step 4: Simplify right side
    52,861,428.11x = 2,346,479,474,098,045.50
  5. Step 5: Solve for x
    x = 2,346,479,474,098,045.50/52,861,428.11
  6. Step 6: Final answer
    x = 44,389,256.18

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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.