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Finding the Fourth Proportional to 150,069.19, 225,020.68 and 61,384.97

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Solution

The fourth proportional to 150,069.19, 225,020.68 and 61,384.97 is: 92,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,069.19 : 225,020.68 = 61,384.97 : x
  2. Step 2: Convert to fraction form
    150,069.19/225,020.68 = 61,384.97/x
  3. Step 3: Cross multiply
    150,069.19x = 225,020.68 × 61,384.97
  4. Step 4: Simplify right side
    150,069.19x = 13,812,887,691.18
  5. Step 5: Solve for x
    x = 13,812,887,691.18/150,069.19
  6. Step 6: Final answer
    x = 92,043.46

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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.