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Finding the Fourth Proportional to 83,212.65, 124,823.03 and 23,241.06

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Solution

The fourth proportional to 83,212.65, 124,823.03 and 23,241.06 is: 34,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,212.65 : 124,823.03 = 23,241.06 : x
  2. Step 2: Convert to fraction form
    83,212.65/124,823.03 = 23,241.06/x
  3. Step 3: Cross multiply
    83,212.65x = 124,823.03 × 23,241.06
  4. Step 4: Simplify right side
    83,212.65x = 2,901,019,413.41
  5. Step 5: Solve for x
    x = 2,901,019,413.41/83,212.65
  6. Step 6: Final answer
    x = 34,862.72

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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.