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Finding the Fourth Proportional to 162,257.58, 225,061.07 and 157,941.90

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Solution

The fourth proportional to 162,257.58, 225,061.07 and 157,941.90 is: 219,074.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,257.58 : 225,061.07 = 157,941.90 : x
  2. Step 2: Convert to fraction form
    162,257.58/225,061.07 = 157,941.90/x
  3. Step 3: Cross multiply
    162,257.58x = 225,061.07 × 157,941.90
  4. Step 4: Simplify right side
    162,257.58x = 35,546,572,222.12
  5. Step 5: Solve for x
    x = 35,546,572,222.12/162,257.58
  6. Step 6: Final answer
    x = 219,074.96

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.