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Finding the Fourth Proportional to 87,201, 130,802.74 and 24,871.52

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Solution

The fourth proportional to 87,201, 130,802.74 and 24,871.52 is: 37,307.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,201 : 130,802.74 = 24,871.52 : x
  2. Step 2: Convert to fraction form
    87,201/130,802.74 = 24,871.52/x
  3. Step 3: Cross multiply
    87,201x = 130,802.74 × 24,871.52
  4. Step 4: Simplify right side
    87,201x = 3,253,262,963.96
  5. Step 5: Solve for x
    x = 3,253,262,963.96/87,201
  6. Step 6: Final answer
    x = 37,307.63

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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.