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Finding the Fourth Proportional to 75,209.55, 103,761.72 and 44,995.74

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Solution

The fourth proportional to 75,209.55, 103,761.72 and 44,995.74 is: 62,077.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,209.55 : 103,761.72 = 44,995.74 : x
  2. Step 2: Convert to fraction form
    75,209.55/103,761.72 = 44,995.74/x
  3. Step 3: Cross multiply
    75,209.55x = 103,761.72 × 44,995.74
  4. Step 4: Simplify right side
    75,209.55x = 4,668,835,375.07
  5. Step 5: Solve for x
    x = 4,668,835,375.07/75,209.55
  6. Step 6: Final answer
    x = 62,077.69

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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.