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Finding the Fourth Proportional to 220,460.76, 304,243.52 and 124,966.60

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Solution

The fourth proportional to 220,460.76, 304,243.52 and 124,966.60 is: 172,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,460.76 : 304,243.52 = 124,966.60 : x
  2. Step 2: Convert to fraction form
    220,460.76/304,243.52 = 124,966.60/x
  3. Step 3: Cross multiply
    220,460.76x = 304,243.52 × 124,966.60
  4. Step 4: Simplify right side
    220,460.76x = 38,020,278,266.43
  5. Step 5: Solve for x
    x = 38,020,278,266.43/220,460.76
  6. Step 6: Final answer
    x = 172,458.26

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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.