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Finding the Fourth Proportional to 223,019.80, 307,627.34 and 132,311.52

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Solution

The fourth proportional to 223,019.80, 307,627.34 and 132,311.52 is: 182,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,019.80 : 307,627.34 = 132,311.52 : x
  2. Step 2: Convert to fraction form
    223,019.80/307,627.34 = 132,311.52/x
  3. Step 3: Cross multiply
    223,019.80x = 307,627.34 × 132,311.52
  4. Step 4: Simplify right side
    223,019.80x = 40,702,640,948.96
  5. Step 5: Solve for x
    x = 40,702,640,948.96/223,019.80
  6. Step 6: Final answer
    x = 182,506.85

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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.