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Finding the Fourth Proportional to 238,870.77, 329,652.48 and 148,255.92

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Solution

The fourth proportional to 238,870.77, 329,652.48 and 148,255.92 is: 204,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,870.77 : 329,652.48 = 148,255.92 : x
  2. Step 2: Convert to fraction form
    238,870.77/329,652.48 = 148,255.92/x
  3. Step 3: Cross multiply
    238,870.77x = 329,652.48 × 148,255.92
  4. Step 4: Simplify right side
    238,870.77x = 48,872,931,702.68
  5. Step 5: Solve for x
    x = 48,872,931,702.68/238,870.77
  6. Step 6: Final answer
    x = 204,599.88

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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.