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Finding the Fourth Proportional to 86,806.62, 119,792.52 and 48,565.98

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Solution

The fourth proportional to 86,806.62, 119,792.52 and 48,565.98 is: 67,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,806.62 : 119,792.52 = 48,565.98 : x
  2. Step 2: Convert to fraction form
    86,806.62/119,792.52 = 48,565.98/x
  3. Step 3: Cross multiply
    86,806.62x = 119,792.52 × 48,565.98
  4. Step 4: Simplify right side
    86,806.62x = 5,817,841,130.47
  5. Step 5: Solve for x
    x = 5,817,841,130.47/86,806.62
  6. Step 6: Final answer
    x = 67,020.71

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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.