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Finding the Fourth Proportional to 163,110.55, 225,092.10 and 90,524.40

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Solution

The fourth proportional to 163,110.55, 225,092.10 and 90,524.40 is: 124,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,110.55 : 225,092.10 = 90,524.40 : x
  2. Step 2: Convert to fraction form
    163,110.55/225,092.10 = 90,524.40/x
  3. Step 3: Cross multiply
    163,110.55x = 225,092.10 × 90,524.40
  4. Step 4: Simplify right side
    163,110.55x = 20,376,328,086.28
  5. Step 5: Solve for x
    x = 20,376,328,086.28/163,110.55
  6. Step 6: Final answer
    x = 124,923.42

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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.