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Finding the Fourth Proportional to 75,225.80, 103,806.81 and 41,228.28

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Solution

The fourth proportional to 75,225.80, 103,806.81 and 41,228.28 is: 56,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,225.80 : 103,806.81 = 41,228.28 : x
  2. Step 2: Convert to fraction form
    75,225.80/103,806.81 = 41,228.28/x
  3. Step 3: Cross multiply
    75,225.80x = 103,806.81 × 41,228.28
  4. Step 4: Simplify right side
    75,225.80x = 4,279,776,228.59
  5. Step 5: Solve for x
    x = 4,279,776,228.59/75,225.80
  6. Step 6: Final answer
    x = 56,892.40

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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.