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Finding the Fourth Proportional to 157,444.98, 236,223.84 and 67,449.90

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Solution

The fourth proportional to 157,444.98, 236,223.84 and 67,449.90 is: 101,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,444.98 : 236,223.84 = 67,449.90 : x
  2. Step 2: Convert to fraction form
    157,444.98/236,223.84 = 67,449.90/x
  3. Step 3: Cross multiply
    157,444.98x = 236,223.84 × 67,449.90
  4. Step 4: Simplify right side
    157,444.98x = 15,933,274,385.62
  5. Step 5: Solve for x
    x = 15,933,274,385.62/157,444.98
  6. Step 6: Final answer
    x = 101,199.00

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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.