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Finding the Fourth Proportional to 150,549.31, 225,627.10 and 61,698.79

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Solution

The fourth proportional to 150,549.31, 225,627.10 and 61,698.79 is: 92,467.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,549.31 : 225,627.10 = 61,698.79 : x
  2. Step 2: Convert to fraction form
    150,549.31/225,627.10 = 61,698.79/x
  3. Step 3: Cross multiply
    150,549.31x = 225,627.10 × 61,698.79
  4. Step 4: Simplify right side
    150,549.31x = 13,920,919,061.21
  5. Step 5: Solve for x
    x = 13,920,919,061.21/150,549.31
  6. Step 6: Final answer
    x = 92,467.50

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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.