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Finding the Fourth Proportional to 72,860.70, 100,555.11 and 44,195.34

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Solution

The fourth proportional to 72,860.70, 100,555.11 and 44,195.34 is: 60,994.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,860.70 : 100,555.11 = 44,195.34 : x
  2. Step 2: Convert to fraction form
    72,860.70/100,555.11 = 44,195.34/x
  3. Step 3: Cross multiply
    72,860.70x = 100,555.11 × 44,195.34
  4. Step 4: Simplify right side
    72,860.70x = 4,444,067,275.19
  5. Step 5: Solve for x
    x = 4,444,067,275.19/72,860.70
  6. Step 6: Final answer
    x = 60,994.02

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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.