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Finding the Fourth Proportional to 75,089.50, 103,626.76 and 41,555.50

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Solution

The fourth proportional to 75,089.50, 103,626.76 and 41,555.50 is: 57,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,089.50 : 103,626.76 = 41,555.50 : x
  2. Step 2: Convert to fraction form
    75,089.50/103,626.76 = 41,555.50/x
  3. Step 3: Cross multiply
    75,089.50x = 103,626.76 × 41,555.50
  4. Step 4: Simplify right side
    75,089.50x = 4,306,261,825.18
  5. Step 5: Solve for x
    x = 4,306,261,825.18/75,089.50
  6. Step 6: Final answer
    x = 57,348.39

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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.