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Finding the Fourth Proportional to 86,472.72, 119,314.17 and 52,498.98

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Solution

The fourth proportional to 86,472.72, 119,314.17 and 52,498.98 is: 72,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,472.72 : 119,314.17 = 52,498.98 : x
  2. Step 2: Convert to fraction form
    86,472.72/119,314.17 = 52,498.98/x
  3. Step 3: Cross multiply
    86,472.72x = 119,314.17 × 52,498.98
  4. Step 4: Simplify right side
    86,472.72x = 6,263,872,224.55
  5. Step 5: Solve for x
    x = 6,263,872,224.55/86,472.72
  6. Step 6: Final answer
    x = 72,437.55

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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.