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Finding the Fourth Proportional to 238,614.78, 329,256.54 and 147,937.74

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Solution

The fourth proportional to 238,614.78, 329,256.54 and 147,937.74 is: 204,134.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,614.78 : 329,256.54 = 147,937.74 : x
  2. Step 2: Convert to fraction form
    238,614.78/329,256.54 = 147,937.74/x
  3. Step 3: Cross multiply
    238,614.78x = 329,256.54 × 147,937.74
  4. Step 4: Simplify right side
    238,614.78x = 48,709,468,407.82
  5. Step 5: Solve for x
    x = 48,709,468,407.82/238,614.78
  6. Step 6: Final answer
    x = 204,134.33

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1.5x scale

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.