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Finding the Fourth Proportional to 119,254.52, 178,930.71 and 63,079.60

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Solution

The fourth proportional to 119,254.52, 178,930.71 and 63,079.60 is: 94,645.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,254.52 : 178,930.71 = 63,079.60 : x
  2. Step 2: Convert to fraction form
    119,254.52/178,930.71 = 63,079.60/x
  3. Step 3: Cross multiply
    119,254.52x = 178,930.71 × 63,079.60
  4. Step 4: Simplify right side
    119,254.52x = 11,286,877,614.52
  5. Step 5: Solve for x
    x = 11,286,877,614.52/119,254.52
  6. Step 6: Final answer
    x = 94,645.28

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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.