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Finding the Fourth Proportional to 75,227.80, 103,809.56 and 41,230.28

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Solution

The fourth proportional to 75,227.80, 103,809.56 and 41,230.28 is: 56,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,227.80 : 103,809.56 = 41,230.28 : x
  2. Step 2: Convert to fraction form
    75,227.80/103,809.56 = 41,230.28/x
  3. Step 3: Cross multiply
    75,227.80x = 103,809.56 × 41,230.28
  4. Step 4: Simplify right side
    75,227.80x = 4,280,097,225.48
  5. Step 5: Solve for x
    x = 4,280,097,225.48/75,227.80
  6. Step 6: Final answer
    x = 56,895.15

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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.