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Finding the Fourth Proportional to 90,452.01, 124,824.06 and 50,169.51

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Solution

The fourth proportional to 90,452.01, 124,824.06 and 50,169.51 is: 69,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,452.01 : 124,824.06 = 50,169.51 : x
  2. Step 2: Convert to fraction form
    90,452.01/124,824.06 = 50,169.51/x
  3. Step 3: Cross multiply
    90,452.01x = 124,824.06 × 50,169.51
  4. Step 4: Simplify right side
    90,452.01x = 6,262,361,926.41
  5. Step 5: Solve for x
    x = 6,262,361,926.41/90,452.01
  6. Step 6: Final answer
    x = 69,234.08

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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.