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Finding the Fourth Proportional to 72,375.48, 99,878.19 and 44,081.19

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Solution

The fourth proportional to 72,375.48, 99,878.19 and 44,081.19 is: 60,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,375.48 : 99,878.19 = 44,081.19 : x
  2. Step 2: Convert to fraction form
    72,375.48/99,878.19 = 44,081.19/x
  3. Step 3: Cross multiply
    72,375.48x = 99,878.19 × 44,081.19
  4. Step 4: Simplify right side
    72,375.48x = 4,402,749,470.25
  5. Step 5: Solve for x
    x = 4,402,749,470.25/72,375.48
  6. Step 6: Final answer
    x = 60,832.06

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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.