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Finding the Fourth Proportional to 150,620.80, 225,931.20 and 97,476.70

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Solution

The fourth proportional to 150,620.80, 225,931.20 and 97,476.70 is: 146,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,620.80 : 225,931.20 = 97,476.70 : x
  2. Step 2: Convert to fraction form
    150,620.80/225,931.20 = 97,476.70/x
  3. Step 3: Cross multiply
    150,620.80x = 225,931.20 × 97,476.70
  4. Step 4: Simplify right side
    150,620.80x = 22,023,027,803.04
  5. Step 5: Solve for x
    x = 22,023,027,803.04/150,620.80
  6. Step 6: Final answer
    x = 146,215.05

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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.