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Finding the Fourth Proportional to 151,442.80, 226,726.80 and 147,068.80

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Solution

The fourth proportional to 151,442.80, 226,726.80 and 147,068.80 is: 220,178.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,442.80 : 226,726.80 = 147,068.80 : x
  2. Step 2: Convert to fraction form
    151,442.80/226,726.80 = 147,068.80/x
  3. Step 3: Cross multiply
    151,442.80x = 226,726.80 × 147,068.80
  4. Step 4: Simplify right side
    151,442.80x = 33,344,438,403.84
  5. Step 5: Solve for x
    x = 33,344,438,403.84/151,442.80
  6. Step 6: Final answer
    x = 220,178.43

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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.