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Finding the Fourth Proportional to 221,480.90, 332,221.35 and 182,114.90

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Solution

The fourth proportional to 221,480.90, 332,221.35 and 182,114.90 is: 273,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,480.90 : 332,221.35 = 182,114.90 : x
  2. Step 2: Convert to fraction form
    221,480.90/332,221.35 = 182,114.90/x
  3. Step 3: Cross multiply
    221,480.90x = 332,221.35 × 182,114.90
  4. Step 4: Simplify right side
    221,480.90x = 60,502,457,933.12
  5. Step 5: Solve for x
    x = 60,502,457,933.12/221,480.90
  6. Step 6: Final answer
    x = 273,172.35

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1.5x scale

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.