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Finding the Fourth Proportional to 118,750.52, 163,874.41 and 65,032.34

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Solution

The fourth proportional to 118,750.52, 163,874.41 and 65,032.34 is: 89,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,750.52 : 163,874.41 = 65,032.34 : x
  2. Step 2: Convert to fraction form
    118,750.52/163,874.41 = 65,032.34/x
  3. Step 3: Cross multiply
    118,750.52x = 163,874.41 × 65,032.34
  4. Step 4: Simplify right side
    118,750.52x = 10,657,135,366.47
  5. Step 5: Solve for x
    x = 10,657,135,366.47/118,750.52
  6. Step 6: Final answer
    x = 89,743.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.