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Finding the Fourth Proportional to 160,405.88, 240,607.74 and 125,375

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Solution

The fourth proportional to 160,405.88, 240,607.74 and 125,375 is: 188,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,405.88 : 240,607.74 = 125,375 : x
  2. Step 2: Convert to fraction form
    160,405.88/240,607.74 = 125,375/x
  3. Step 3: Cross multiply
    160,405.88x = 240,607.74 × 125,375
  4. Step 4: Simplify right side
    160,405.88x = 30,166,195,402.50
  5. Step 5: Solve for x
    x = 30,166,195,402.50/160,405.88
  6. Step 6: Final answer
    x = 188,061.66

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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.