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Finding the Fourth Proportional to 72,641.13, 100,250.22 and 44,352.28

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Solution

The fourth proportional to 72,641.13, 100,250.22 and 44,352.28 is: 61,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,641.13 : 100,250.22 = 44,352.28 : x
  2. Step 2: Convert to fraction form
    72,641.13/100,250.22 = 44,352.28/x
  3. Step 3: Cross multiply
    72,641.13x = 100,250.22 × 44,352.28
  4. Step 4: Simplify right side
    72,641.13x = 4,446,325,827.50
  5. Step 5: Solve for x
    x = 4,446,325,827.50/72,641.13
  6. Step 6: Final answer
    x = 61,209.48

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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.