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Finding the Fourth Proportional to 151,777.92, 227,827.20 and 85,274.88

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Solution

The fourth proportional to 151,777.92, 227,827.20 and 85,274.88 is: 128,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,777.92 : 227,827.20 = 85,274.88 : x
  2. Step 2: Convert to fraction form
    151,777.92/227,827.20 = 85,274.88/x
  3. Step 3: Cross multiply
    151,777.92x = 227,827.20 × 85,274.88
  4. Step 4: Simplify right side
    151,777.92x = 19,427,937,140.74
  5. Step 5: Solve for x
    x = 19,427,937,140.74/151,777.92
  6. Step 6: Final answer
    x = 128,002.39

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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.