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Finding the Fourth Proportional to 74,830.95, 103,279.95 and 44,618.22

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Solution

The fourth proportional to 74,830.95, 103,279.95 and 44,618.22 is: 61,581.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,830.95 : 103,279.95 = 44,618.22 : x
  2. Step 2: Convert to fraction form
    74,830.95/103,279.95 = 44,618.22/x
  3. Step 3: Cross multiply
    74,830.95x = 103,279.95 × 44,618.22
  4. Step 4: Simplify right side
    74,830.95x = 4,608,167,530.69
  5. Step 5: Solve for x
    x = 4,608,167,530.69/74,830.95
  6. Step 6: Final answer
    x = 61,581.04

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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.