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Finding the Fourth Proportional to 215,147.65, 296,899.53 and 119,652.30

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Solution

The fourth proportional to 215,147.65, 296,899.53 and 119,652.30 is: 165,117.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,147.65 : 296,899.53 = 119,652.30 : x
  2. Step 2: Convert to fraction form
    215,147.65/296,899.53 = 119,652.30/x
  3. Step 3: Cross multiply
    215,147.65x = 296,899.53 × 119,652.30
  4. Step 4: Simplify right side
    215,147.65x = 35,524,711,633.42
  5. Step 5: Solve for x
    x = 35,524,711,633.42/215,147.65
  6. Step 6: Final answer
    x = 165,117.82

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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.