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Finding the Fourth Proportional to 220,513.75, 304,333.52 and 123,733.53

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Solution

The fourth proportional to 220,513.75, 304,333.52 and 123,733.53 is: 170,766.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,513.75 : 304,333.52 = 123,733.53 : x
  2. Step 2: Convert to fraction form
    220,513.75/304,333.52 = 123,733.53/x
  3. Step 3: Cross multiply
    220,513.75x = 304,333.52 × 123,733.53
  4. Step 4: Simplify right side
    220,513.75x = 37,656,260,108.26
  5. Step 5: Solve for x
    x = 37,656,260,108.26/220,513.75
  6. Step 6: Final answer
    x = 170,766.04

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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.