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Finding the Fourth Proportional to 261,950.96, 392,597.48 and 112,015.12

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Solution

The fourth proportional to 261,950.96, 392,597.48 and 112,015.12 is: 167,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,950.96 : 392,597.48 = 112,015.12 : x
  2. Step 2: Convert to fraction form
    261,950.96/392,597.48 = 112,015.12/x
  3. Step 3: Cross multiply
    261,950.96x = 392,597.48 × 112,015.12
  4. Step 4: Simplify right side
    261,950.96x = 43,976,853,833.90
  5. Step 5: Solve for x
    x = 43,976,853,833.90/261,950.96
  6. Step 6: Final answer
    x = 167,882.01

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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.