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Finding the Fourth Proportional to 238,967.52, 329,659.88 and 148,428.75

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Solution

The fourth proportional to 238,967.52, 329,659.88 and 148,428.75 is: 204,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,967.52 : 329,659.88 = 148,428.75 : x
  2. Step 2: Convert to fraction form
    238,967.52/329,659.88 = 148,428.75/x
  3. Step 3: Cross multiply
    238,967.52x = 329,659.88 × 148,428.75
  4. Step 4: Simplify right side
    238,967.52x = 48,931,004,407.63
  5. Step 5: Solve for x
    x = 48,931,004,407.63/238,967.52
  6. Step 6: Final answer
    x = 204,760.07

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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.