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Finding the Fourth Proportional to 173,245.68, 239,074.20 and 97,801.20

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Solution

The fourth proportional to 173,245.68, 239,074.20 and 97,801.20 is: 134,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,245.68 : 239,074.20 = 97,801.20 : x
  2. Step 2: Convert to fraction form
    173,245.68/239,074.20 = 97,801.20/x
  3. Step 3: Cross multiply
    173,245.68x = 239,074.20 × 97,801.20
  4. Step 4: Simplify right side
    173,245.68x = 23,381,743,649.04
  5. Step 5: Solve for x
    x = 23,381,743,649.04/173,245.68
  6. Step 6: Final answer
    x = 134,962.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.