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Finding the Fourth Proportional to 304,151.31, 455,951.73 and 144,127.59

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Solution

The fourth proportional to 304,151.31, 455,951.73 and 144,127.59 is: 216,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,151.31 : 455,951.73 = 144,127.59 : x
  2. Step 2: Convert to fraction form
    304,151.31/455,951.73 = 144,127.59/x
  3. Step 3: Cross multiply
    304,151.31x = 455,951.73 × 144,127.59
  4. Step 4: Simplify right side
    304,151.31x = 65,715,224,001.23
  5. Step 5: Solve for x
    x = 65,715,224,001.23/304,151.31
  6. Step 6: Final answer
    x = 216,060.96

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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.