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Finding the Fourth Proportional to 220,452.48, 304,225.14 and 124,965.60

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Solution

The fourth proportional to 220,452.48, 304,225.14 and 124,965.60 is: 172,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,452.48 : 304,225.14 = 124,965.60 : x
  2. Step 2: Convert to fraction form
    220,452.48/304,225.14 = 124,965.60/x
  3. Step 3: Cross multiply
    220,452.48x = 304,225.14 × 124,965.60
  4. Step 4: Simplify right side
    220,452.48x = 38,017,677,155.18
  5. Step 5: Solve for x
    x = 38,017,677,155.18/220,452.48
  6. Step 6: Final answer
    x = 172,452.93

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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.