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Finding the Fourth Proportional to 75,150.99, 103,708.20 and 41,159.49

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Solution

The fourth proportional to 75,150.99, 103,708.20 and 41,159.49 is: 56,800.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,150.99 : 103,708.20 = 41,159.49 : x
  2. Step 2: Convert to fraction form
    75,150.99/103,708.20 = 41,159.49/x
  3. Step 3: Cross multiply
    75,150.99x = 103,708.20 × 41,159.49
  4. Step 4: Simplify right side
    75,150.99x = 4,268,576,620.82
  5. Step 5: Solve for x
    x = 4,268,576,620.82/75,150.99
  6. Step 6: Final answer
    x = 56,800.01

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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.