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Finding the Fourth Proportional to 162,265.58, 225,072.10 and 157,949.90

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Solution

The fourth proportional to 162,265.58, 225,072.10 and 157,949.90 is: 219,085.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,265.58 : 225,072.10 = 157,949.90 : x
  2. Step 2: Convert to fraction form
    162,265.58/225,072.10 = 157,949.90/x
  3. Step 3: Cross multiply
    162,265.58x = 225,072.10 × 157,949.90
  4. Step 4: Simplify right side
    162,265.58x = 35,550,115,687.79
  5. Step 5: Solve for x
    x = 35,550,115,687.79/162,265.58
  6. Step 6: Final answer
    x = 219,085.99

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1.5x scale

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.