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Finding the Fourth Proportional to 150,599.20, 225,639.60 and 97,981.60

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Solution

The fourth proportional to 150,599.20, 225,639.60 and 97,981.60 is: 146,803.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,599.20 : 225,639.60 = 97,981.60 : x
  2. Step 2: Convert to fraction form
    150,599.20/225,639.60 = 97,981.60/x
  3. Step 3: Cross multiply
    150,599.20x = 225,639.60 × 97,981.60
  4. Step 4: Simplify right side
    150,599.20x = 22,108,529,031.36
  5. Step 5: Solve for x
    x = 22,108,529,031.36/150,599.20
  6. Step 6: Final answer
    x = 146,803.76

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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.