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Finding the Fourth Proportional to 250,440.92, 375,808.79 and 92,779.28

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Solution

The fourth proportional to 250,440.92, 375,808.79 and 92,779.28 is: 139,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,440.92 : 375,808.79 = 92,779.28 : x
  2. Step 2: Convert to fraction form
    250,440.92/375,808.79 = 92,779.28/x
  3. Step 3: Cross multiply
    250,440.92x = 375,808.79 × 92,779.28
  4. Step 4: Simplify right side
    250,440.92x = 34,867,267,306.78
  5. Step 5: Solve for x
    x = 34,867,267,306.78/250,440.92
  6. Step 6: Final answer
    x = 139,223.53

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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.