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Finding the Fourth Proportional to 83,306.30, 124,959.45 and 83,306.30

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Solution

The fourth proportional to 83,306.30, 124,959.45 and 83,306.30 is: 124,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,306.30 : 124,959.45 = 83,306.30 : x
  2. Step 2: Convert to fraction form
    83,306.30/124,959.45 = 83,306.30/x
  3. Step 3: Cross multiply
    83,306.30x = 124,959.45 × 83,306.30
  4. Step 4: Simplify right side
    83,306.30x = 10,409,909,429.54
  5. Step 5: Solve for x
    x = 10,409,909,429.54/83,306.30
  6. Step 6: Final answer
    x = 124,959.45

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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.