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Finding the Fourth Proportional to 316,966.38, 475,527.02 and 92,323.20

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Solution

The fourth proportional to 316,966.38, 475,527.02 and 92,323.20 is: 138,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,966.38 : 475,527.02 = 92,323.20 : x
  2. Step 2: Convert to fraction form
    316,966.38/475,527.02 = 92,323.20/x
  3. Step 3: Cross multiply
    316,966.38x = 475,527.02 × 92,323.20
  4. Step 4: Simplify right side
    316,966.38x = 43,902,176,172.86
  5. Step 5: Solve for x
    x = 43,902,176,172.86/316,966.38
  6. Step 6: Final answer
    x = 138,507.36

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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.