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Finding the Fourth Proportional to 247,753.84, 341,892.48 and 140,333.80

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Solution

The fourth proportional to 247,753.84, 341,892.48 and 140,333.80 is: 193,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,753.84 : 341,892.48 = 140,333.80 : x
  2. Step 2: Convert to fraction form
    247,753.84/341,892.48 = 140,333.80/x
  3. Step 3: Cross multiply
    247,753.84x = 341,892.48 × 140,333.80
  4. Step 4: Simplify right side
    247,753.84x = 47,979,070,909.82
  5. Step 5: Solve for x
    x = 47,979,070,909.82/247,753.84
  6. Step 6: Final answer
    x = 193,656.22

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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.