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Finding the Fourth Proportional to 75,091.59, 103,616.16 and 44,870.52

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Solution

The fourth proportional to 75,091.59, 103,616.16 and 44,870.52 is: 61,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,091.59 : 103,616.16 = 44,870.52 : x
  2. Step 2: Convert to fraction form
    75,091.59/103,616.16 = 44,870.52/x
  3. Step 3: Cross multiply
    75,091.59x = 103,616.16 × 44,870.52
  4. Step 4: Simplify right side
    75,091.59x = 4,649,310,979.60
  5. Step 5: Solve for x
    x = 4,649,310,979.60/75,091.59
  6. Step 6: Final answer
    x = 61,915.20

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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.