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Finding the Fourth Proportional to 240,814.81, 332,329.82 and 137,446.93

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Solution

The fourth proportional to 240,814.81, 332,329.82 and 137,446.93 is: 189,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,814.81 : 332,329.82 = 137,446.93 : x
  2. Step 2: Convert to fraction form
    240,814.81/332,329.82 = 137,446.93/x
  3. Step 3: Cross multiply
    240,814.81x = 332,329.82 × 137,446.93
  4. Step 4: Simplify right side
    240,814.81x = 45,677,713,234.63
  5. Step 5: Solve for x
    x = 45,677,713,234.63/240,814.81
  6. Step 6: Final answer
    x = 189,679.83

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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.