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Finding the Fourth Proportional to 227,602.64, 341,440.92 and 85,459.12

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Solution

The fourth proportional to 227,602.64, 341,440.92 and 85,459.12 is: 128,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,602.64 : 341,440.92 = 85,459.12 : x
  2. Step 2: Convert to fraction form
    227,602.64/341,440.92 = 85,459.12/x
  3. Step 3: Cross multiply
    227,602.64x = 341,440.92 × 85,459.12
  4. Step 4: Simplify right side
    227,602.64x = 29,179,239,701.59
  5. Step 5: Solve for x
    x = 29,179,239,701.59/227,602.64
  6. Step 6: Final answer
    x = 128,202.55

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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.