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Finding the Fourth Proportional to 93,591.40, 140,387.10 and 82,877.80

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Solution

The fourth proportional to 93,591.40, 140,387.10 and 82,877.80 is: 124,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,591.40 : 140,387.10 = 82,877.80 : x
  2. Step 2: Convert to fraction form
    93,591.40/140,387.10 = 82,877.80/x
  3. Step 3: Cross multiply
    93,591.40x = 140,387.10 × 82,877.80
  4. Step 4: Simplify right side
    93,591.40x = 11,634,973,996.38
  5. Step 5: Solve for x
    x = 11,634,973,996.38/93,591.40
  6. Step 6: Final answer
    x = 124,316.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.