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Finding the Fourth Proportional to 243,950.62, 336,687.08 and 140,565.03

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Solution

The fourth proportional to 243,950.62, 336,687.08 and 140,565.03 is: 194,000.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,950.62 : 336,687.08 = 140,565.03 : x
  2. Step 2: Convert to fraction form
    243,950.62/336,687.08 = 140,565.03/x
  3. Step 3: Cross multiply
    243,950.62x = 336,687.08 × 140,565.03
  4. Step 4: Simplify right side
    243,950.62x = 47,326,429,500.81
  5. Step 5: Solve for x
    x = 47,326,429,500.81/243,950.62
  6. Step 6: Final answer
    x = 194,000.04

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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.