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Finding the Fourth Proportional to 60,266.70, 90,432.45 and 25,209.90

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Solution

The fourth proportional to 60,266.70, 90,432.45 and 25,209.90 is: 37,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,266.70 : 90,432.45 = 25,209.90 : x
  2. Step 2: Convert to fraction form
    60,266.70/90,432.45 = 25,209.90/x
  3. Step 3: Cross multiply
    60,266.70x = 90,432.45 × 25,209.90
  4. Step 4: Simplify right side
    60,266.70x = 2,279,793,021.26
  5. Step 5: Solve for x
    x = 2,279,793,021.26/60,266.70
  6. Step 6: Final answer
    x = 37,828.40

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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.