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Finding the Fourth Proportional to 75,199.64, 103,775.51 and 41,665.64

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Solution

The fourth proportional to 75,199.64, 103,775.51 and 41,665.64 is: 57,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,199.64 : 103,775.51 = 41,665.64 : x
  2. Step 2: Convert to fraction form
    75,199.64/103,775.51 = 41,665.64/x
  3. Step 3: Cross multiply
    75,199.64x = 103,775.51 × 41,665.64
  4. Step 4: Simplify right side
    75,199.64x = 4,323,873,247.83
  5. Step 5: Solve for x
    x = 4,323,873,247.83/75,199.64
  6. Step 6: Final answer
    x = 57,498.59

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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.