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Finding the Fourth Proportional to 151,437.80, 226,719.30 and 147,063.80

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Solution

The fourth proportional to 151,437.80, 226,719.30 and 147,063.80 is: 220,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,437.80 : 226,719.30 = 147,063.80 : x
  2. Step 2: Convert to fraction form
    151,437.80/226,719.30 = 147,063.80/x
  3. Step 3: Cross multiply
    151,437.80x = 226,719.30 × 147,063.80
  4. Step 4: Simplify right side
    151,437.80x = 33,342,201,791.34
  5. Step 5: Solve for x
    x = 33,342,201,791.34/151,437.80
  6. Step 6: Final answer
    x = 220,170.93

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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.