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Finding the Fourth Proportional to 247,745.17, 341,888.04 and 140,335.92

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Solution

The fourth proportional to 247,745.17, 341,888.04 and 140,335.92 is: 193,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,745.17 : 341,888.04 = 140,335.92 : x
  2. Step 2: Convert to fraction form
    247,745.17/341,888.04 = 140,335.92/x
  3. Step 3: Cross multiply
    247,745.17x = 341,888.04 × 140,335.92
  4. Step 4: Simplify right side
    247,745.17x = 47,979,172,630.40
  5. Step 5: Solve for x
    x = 47,979,172,630.40/247,745.17
  6. Step 6: Final answer
    x = 193,663.40

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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.