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Finding the Fourth Proportional to 151,157.80, 226,736.87 and 38,838.95

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Solution

The fourth proportional to 151,157.80, 226,736.87 and 38,838.95 is: 58,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,157.80 : 226,736.87 = 38,838.95 : x
  2. Step 2: Convert to fraction form
    151,157.80/226,736.87 = 38,838.95/x
  3. Step 3: Cross multiply
    151,157.80x = 226,736.87 × 38,838.95
  4. Step 4: Simplify right side
    151,157.80x = 8,806,221,957.09
  5. Step 5: Solve for x
    x = 8,806,221,957.09/151,157.80
  6. Step 6: Final answer
    x = 58,258.47

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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.