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Finding the Fourth Proportional to 538,125.76, 807,186.40 and 164,147.52

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Solution

The fourth proportional to 538,125.76, 807,186.40 and 164,147.52 is: 246,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,125.76 : 807,186.40 = 164,147.52 : x
  2. Step 2: Convert to fraction form
    538,125.76/807,186.40 = 164,147.52/x
  3. Step 3: Cross multiply
    538,125.76x = 807,186.40 × 164,147.52
  4. Step 4: Simplify right side
    538,125.76x = 132,497,645,737.73
  5. Step 5: Solve for x
    x = 132,497,645,737.73/538,125.76
  6. Step 6: Final answer
    x = 246,220.60

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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.