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Finding the Fourth Proportional to 194,809.20, 292,223.40 and 101,497.20

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Solution

The fourth proportional to 194,809.20, 292,223.40 and 101,497.20 is: 152,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,809.20 : 292,223.40 = 101,497.20 : x
  2. Step 2: Convert to fraction form
    194,809.20/292,223.40 = 101,497.20/x
  3. Step 3: Cross multiply
    194,809.20x = 292,223.40 × 101,497.20
  4. Step 4: Simplify right side
    194,809.20x = 29,659,856,874.48
  5. Step 5: Solve for x
    x = 29,659,856,874.48/194,809.20
  6. Step 6: Final answer
    x = 152,250.80

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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.