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Finding the Fourth Proportional to 60,124.36, 90,141 and 36,427

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Solution

The fourth proportional to 60,124.36, 90,141 and 36,427 is: 54,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,124.36 : 90,141 = 36,427 : x
  2. Step 2: Convert to fraction form
    60,124.36/90,141 = 36,427/x
  3. Step 3: Cross multiply
    60,124.36x = 90,141 × 36,427
  4. Step 4: Simplify right side
    60,124.36x = 3,283,566,207
  5. Step 5: Solve for x
    x = 3,283,566,207/60,124.36
  6. Step 6: Final answer
    x = 54,612.91

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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.