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Finding the Fourth Proportional to 88,855.98, 133,321.02 and 38,971.92

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Solution

The fourth proportional to 88,855.98, 133,321.02 and 38,971.92 is: 58,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,855.98 : 133,321.02 = 38,971.92 : x
  2. Step 2: Convert to fraction form
    88,855.98/133,321.02 = 38,971.92/x
  3. Step 3: Cross multiply
    88,855.98x = 133,321.02 × 38,971.92
  4. Step 4: Simplify right side
    88,855.98x = 5,195,776,125.76
  5. Step 5: Solve for x
    x = 5,195,776,125.76/88,855.98
  6. Step 6: Final answer
    x = 58,474.13

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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.