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Finding the Fourth Proportional to 156,253.96, 215,593.14 and 92,580.76

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Solution

The fourth proportional to 156,253.96, 215,593.14 and 92,580.76 is: 127,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,253.96 : 215,593.14 = 92,580.76 : x
  2. Step 2: Convert to fraction form
    156,253.96/215,593.14 = 92,580.76/x
  3. Step 3: Cross multiply
    156,253.96x = 215,593.14 × 92,580.76
  4. Step 4: Simplify right side
    156,253.96x = 19,959,776,751.99
  5. Step 5: Solve for x
    x = 19,959,776,751.99/156,253.96
  6. Step 6: Final answer
    x = 127,739.33

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Double scale
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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.