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Finding the Fourth Proportional to 150,401.55, 225,602.60 and 61,639.17

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Solution

The fourth proportional to 150,401.55, 225,602.60 and 61,639.17 is: 92,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,401.55 : 225,602.60 = 61,639.17 : x
  2. Step 2: Convert to fraction form
    150,401.55/225,602.60 = 61,639.17/x
  3. Step 3: Cross multiply
    150,401.55x = 225,602.60 × 61,639.17
  4. Step 4: Simplify right side
    150,401.55x = 13,905,956,705.65
  5. Step 5: Solve for x
    x = 13,905,956,705.65/150,401.55
  6. Step 6: Final answer
    x = 92,458.87

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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.