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Finding the Fourth Proportional to 147,908.70, 222,008.85 and 73,113.30

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Solution

The fourth proportional to 147,908.70, 222,008.85 and 73,113.30 is: 109,742.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,908.70 : 222,008.85 = 73,113.30 : x
  2. Step 2: Convert to fraction form
    147,908.70/222,008.85 = 73,113.30/x
  3. Step 3: Cross multiply
    147,908.70x = 222,008.85 × 73,113.30
  4. Step 4: Simplify right side
    147,908.70x = 16,231,799,652.71
  5. Step 5: Solve for x
    x = 16,231,799,652.71/147,908.70
  6. Step 6: Final answer
    x = 109,742.02

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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.