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Finding the Fourth Proportional to 87,363.60, 130,935.72 and 37,384.92

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Solution

The fourth proportional to 87,363.60, 130,935.72 and 37,384.92 is: 56,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,363.60 : 130,935.72 = 37,384.92 : x
  2. Step 2: Convert to fraction form
    87,363.60/130,935.72 = 37,384.92/x
  3. Step 3: Cross multiply
    87,363.60x = 130,935.72 × 37,384.92
  4. Step 4: Simplify right side
    87,363.60x = 4,895,021,417.34
  5. Step 5: Solve for x
    x = 4,895,021,417.34/87,363.60
  6. Step 6: Final answer
    x = 56,030.45

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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.