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Finding the Fourth Proportional to 234,042.40, 350,660.40 and 109,127.20

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Solution

The fourth proportional to 234,042.40, 350,660.40 and 109,127.20 is: 163,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,042.40 : 350,660.40 = 109,127.20 : x
  2. Step 2: Convert to fraction form
    234,042.40/350,660.40 = 109,127.20/x
  3. Step 3: Cross multiply
    234,042.40x = 350,660.40 × 109,127.20
  4. Step 4: Simplify right side
    234,042.40x = 38,266,587,602.88
  5. Step 5: Solve for x
    x = 38,266,587,602.88/234,042.40
  6. Step 6: Final answer
    x = 163,502.80

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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.