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Finding the Fourth Proportional to 75,199.74, 103,775.63 and 41,665.74

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Solution

The fourth proportional to 75,199.74, 103,775.63 and 41,665.74 is: 57,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,199.74 : 103,775.63 = 41,665.74 : x
  2. Step 2: Convert to fraction form
    75,199.74/103,775.63 = 41,665.74/x
  3. Step 3: Cross multiply
    75,199.74x = 103,775.63 × 41,665.74
  4. Step 4: Simplify right side
    75,199.74x = 4,323,888,522.08
  5. Step 5: Solve for x
    x = 4,323,888,522.08/75,199.74
  6. Step 6: Final answer
    x = 57,498.72

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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.