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Finding the Fourth Proportional to 92,359.79, 127,453.96 and 52,073.20

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Solution

The fourth proportional to 92,359.79, 127,453.96 and 52,073.20 is: 71,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,359.79 : 127,453.96 = 52,073.20 : x
  2. Step 2: Convert to fraction form
    92,359.79/127,453.96 = 52,073.20/x
  3. Step 3: Cross multiply
    92,359.79x = 127,453.96 × 52,073.20
  4. Step 4: Simplify right side
    92,359.79x = 6,636,935,549.87
  5. Step 5: Solve for x
    x = 6,636,935,549.87/92,359.79
  6. Step 6: Final answer
    x = 71,859.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.