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Finding the Fourth Proportional to 150,068.46, 225,103.08 and 61,321.96

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Solution

The fourth proportional to 150,068.46, 225,103.08 and 61,321.96 is: 91,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,068.46 : 225,103.08 = 61,321.96 : x
  2. Step 2: Convert to fraction form
    150,068.46/225,103.08 = 61,321.96/x
  3. Step 3: Cross multiply
    150,068.46x = 225,103.08 × 61,321.96
  4. Step 4: Simplify right side
    150,068.46x = 13,803,762,061.57
  5. Step 5: Solve for x
    x = 13,803,762,061.57/150,068.46
  6. Step 6: Final answer
    x = 91,983.10

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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.