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Finding the Fourth Proportional to 74,482.91, 102,778.73 and 44,262.41

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Solution

The fourth proportional to 74,482.91, 102,778.73 and 44,262.41 is: 61,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,482.91 : 102,778.73 = 44,262.41 : x
  2. Step 2: Convert to fraction form
    74,482.91/102,778.73 = 44,262.41/x
  3. Step 3: Cross multiply
    74,482.91x = 102,778.73 × 44,262.41
  4. Step 4: Simplify right side
    74,482.91x = 4,549,233,551.33
  5. Step 5: Solve for x
    x = 4,549,233,551.33/74,482.91
  6. Step 6: Final answer
    x = 61,077.55

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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.