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Finding the Fourth Proportional to 131,461.60, 197,192.40 and 36,691.60

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Solution

The fourth proportional to 131,461.60, 197,192.40 and 36,691.60 is: 55,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,461.60 : 197,192.40 = 36,691.60 : x
  2. Step 2: Convert to fraction form
    131,461.60/197,192.40 = 36,691.60/x
  3. Step 3: Cross multiply
    131,461.60x = 197,192.40 × 36,691.60
  4. Step 4: Simplify right side
    131,461.60x = 7,235,304,663.84
  5. Step 5: Solve for x
    x = 7,235,304,663.84/131,461.60
  6. Step 6: Final answer
    x = 55,037.40

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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.