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Finding the Fourth Proportional to 110,228.61, 152,114.85 and 61,169.73

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Solution

The fourth proportional to 110,228.61, 152,114.85 and 61,169.73 is: 84,413.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,228.61 : 152,114.85 = 61,169.73 : x
  2. Step 2: Convert to fraction form
    110,228.61/152,114.85 = 61,169.73/x
  3. Step 3: Cross multiply
    110,228.61x = 152,114.85 × 61,169.73
  4. Step 4: Simplify right side
    110,228.61x = 9,304,823,997.64
  5. Step 5: Solve for x
    x = 9,304,823,997.64/110,228.61
  6. Step 6: Final answer
    x = 84,413.88

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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.