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Finding the Fourth Proportional to 238,031.65, 328,483.65 and 136,059.29

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Solution

The fourth proportional to 238,031.65, 328,483.65 and 136,059.29 is: 187,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,031.65 : 328,483.65 = 136,059.29 : x
  2. Step 2: Convert to fraction form
    238,031.65/328,483.65 = 136,059.29/x
  3. Step 3: Cross multiply
    238,031.65x = 328,483.65 × 136,059.29
  4. Step 4: Simplify right side
    238,031.65x = 44,693,252,195.61
  5. Step 5: Solve for x
    x = 44,693,252,195.61/238,031.65
  6. Step 6: Final answer
    x = 187,761.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.