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Finding the Fourth Proportional to 162,175.50, 223,799.76 and 90,556.56

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Solution

The fourth proportional to 162,175.50, 223,799.76 and 90,556.56 is: 124,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,175.50 : 223,799.76 = 90,556.56 : x
  2. Step 2: Convert to fraction form
    162,175.50/223,799.76 = 90,556.56/x
  3. Step 3: Cross multiply
    162,175.50x = 223,799.76 × 90,556.56
  4. Step 4: Simplify right side
    162,175.50x = 20,266,536,394.43
  5. Step 5: Solve for x
    x = 20,266,536,394.43/162,175.50
  6. Step 6: Final answer
    x = 124,966.70

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1.5x scale

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.