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Finding the Fourth Proportional to 87,325.61, 130,878.89 and 37,347.04

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Solution

The fourth proportional to 87,325.61, 130,878.89 and 37,347.04 is: 55,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,325.61 : 130,878.89 = 37,347.04 : x
  2. Step 2: Convert to fraction form
    87,325.61/130,878.89 = 37,347.04/x
  3. Step 3: Cross multiply
    87,325.61x = 130,878.89 × 37,347.04
  4. Step 4: Simplify right side
    87,325.61x = 4,887,938,298.86
  5. Step 5: Solve for x
    x = 4,887,938,298.86/87,325.61
  6. Step 6: Final answer
    x = 55,973.71

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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.