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Finding the Fourth Proportional to 72,508,653, 108,762,980.72 and 24,639,597

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Solution

The fourth proportional to 72,508,653, 108,762,980.72 and 24,639,597 is: 36,959,395.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,508,653 : 108,762,980.72 = 24,639,597 : x
  2. Step 2: Convert to fraction form
    72,508,653/108,762,980.72 = 24,639,597/x
  3. Step 3: Cross multiply
    72,508,653x = 108,762,980.72 × 24,639,597
  4. Step 4: Simplify right side
    72,508,653x = 2,679,876,013,336,372
  5. Step 5: Solve for x
    x = 2,679,876,013,336,372/72,508,653
  6. Step 6: Final answer
    x = 36,959,395.91

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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.