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Finding the Fourth Proportional to 118,139.92, 177,209.57 and 29,393.48

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Solution

The fourth proportional to 118,139.92, 177,209.57 and 29,393.48 is: 44,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,139.92 : 177,209.57 = 29,393.48 : x
  2. Step 2: Convert to fraction form
    118,139.92/177,209.57 = 29,393.48/x
  3. Step 3: Cross multiply
    118,139.92x = 177,209.57 × 29,393.48
  4. Step 4: Simplify right side
    118,139.92x = 5,208,806,468.11
  5. Step 5: Solve for x
    x = 5,208,806,468.11/118,139.92
  6. Step 6: Final answer
    x = 44,090.15

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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.