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Finding the Fourth Proportional to 231,920.84, 347,864.24 and 74,106.92

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Solution

The fourth proportional to 231,920.84, 347,864.24 and 74,106.92 is: 111,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,920.84 : 347,864.24 = 74,106.92 : x
  2. Step 2: Convert to fraction form
    231,920.84/347,864.24 = 74,106.92/x
  3. Step 3: Cross multiply
    231,920.84x = 347,864.24 × 74,106.92
  4. Step 4: Simplify right side
    231,920.84x = 25,779,145,294.69
  5. Step 5: Solve for x
    x = 25,779,145,294.69/231,920.84
  6. Step 6: Final answer
    x = 111,154.93

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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.