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Finding the Fourth Proportional to 87,248.84, 130,902.54 and 37,307.72

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Solution

The fourth proportional to 87,248.84, 130,902.54 and 37,307.72 is: 55,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,248.84 : 130,902.54 = 37,307.72 : x
  2. Step 2: Convert to fraction form
    87,248.84/130,902.54 = 37,307.72/x
  3. Step 3: Cross multiply
    87,248.84x = 130,902.54 × 37,307.72
  4. Step 4: Simplify right side
    87,248.84x = 4,883,675,309.61
  5. Step 5: Solve for x
    x = 4,883,675,309.61/87,248.84
  6. Step 6: Final answer
    x = 55,974.10

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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.