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Finding the Fourth Proportional to 238,946.80, 329,753.22 and 130,052.12

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Solution

The fourth proportional to 238,946.80, 329,753.22 and 130,052.12 is: 179,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,946.80 : 329,753.22 = 130,052.12 : x
  2. Step 2: Convert to fraction form
    238,946.80/329,753.22 = 130,052.12/x
  3. Step 3: Cross multiply
    238,946.80x = 329,753.22 × 130,052.12
  4. Step 4: Simplify right side
    238,946.80x = 42,885,105,337.83
  5. Step 5: Solve for x
    x = 42,885,105,337.83/238,946.80
  6. Step 6: Final answer
    x = 179,475.54

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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.