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Finding the Fourth Proportional to 238,321.92, 328,801.68 and 141,503.52

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Solution

The fourth proportional to 238,321.92, 328,801.68 and 141,503.52 is: 195,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,321.92 : 328,801.68 = 141,503.52 : x
  2. Step 2: Convert to fraction form
    238,321.92/328,801.68 = 141,503.52/x
  3. Step 3: Cross multiply
    238,321.92x = 328,801.68 × 141,503.52
  4. Step 4: Simplify right side
    238,321.92x = 46,526,595,101.91
  5. Step 5: Solve for x
    x = 46,526,595,101.91/238,321.92
  6. Step 6: Final answer
    x = 195,225.83

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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.