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Finding the Fourth Proportional to 87,124.52, 130,627.64 and 44,324.76

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Solution

The fourth proportional to 87,124.52, 130,627.64 and 44,324.76 is: 66,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,124.52 : 130,627.64 = 44,324.76 : x
  2. Step 2: Convert to fraction form
    87,124.52/130,627.64 = 44,324.76/x
  3. Step 3: Cross multiply
    87,124.52x = 130,627.64 × 44,324.76
  4. Step 4: Simplify right side
    87,124.52x = 5,790,038,792.37
  5. Step 5: Solve for x
    x = 5,790,038,792.37/87,124.52
  6. Step 6: Final answer
    x = 66,457.05

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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.