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Finding the Fourth Proportional to 150,079.71, 225,119.94 and 61,333.20

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Solution

The fourth proportional to 150,079.71, 225,119.94 and 61,333.20 is: 91,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,079.71 : 225,119.94 = 61,333.20 : x
  2. Step 2: Convert to fraction form
    150,079.71/225,119.94 = 61,333.20/x
  3. Step 3: Cross multiply
    150,079.71x = 225,119.94 × 61,333.20
  4. Step 4: Simplify right side
    150,079.71x = 13,807,326,304.01
  5. Step 5: Solve for x
    x = 13,807,326,304.01/150,079.71
  6. Step 6: Final answer
    x = 91,999.95

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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.