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Finding the Fourth Proportional to 261,951.96, 392,598.98 and 112,016.12

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Solution

The fourth proportional to 261,951.96, 392,598.98 and 112,016.12 is: 167,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,951.96 : 392,598.98 = 112,016.12 : x
  2. Step 2: Convert to fraction form
    261,951.96/392,598.98 = 112,016.12/x
  3. Step 3: Cross multiply
    261,951.96x = 392,598.98 × 112,016.12
  4. Step 4: Simplify right side
    261,951.96x = 43,977,414,455.56
  5. Step 5: Solve for x
    x = 43,977,414,455.56/261,951.96
  6. Step 6: Final answer
    x = 167,883.51

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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.