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Finding the Fourth Proportional to 75,122.67, 103,674.28 and 43,293.62

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Solution

The fourth proportional to 75,122.67, 103,674.28 and 43,293.62 is: 59,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,122.67 : 103,674.28 = 43,293.62 : x
  2. Step 2: Convert to fraction form
    75,122.67/103,674.28 = 43,293.62/x
  3. Step 3: Cross multiply
    75,122.67x = 103,674.28 × 43,293.62
  4. Step 4: Simplify right side
    75,122.67x = 4,488,434,363.72
  5. Step 5: Solve for x
    x = 4,488,434,363.72/75,122.67
  6. Step 6: Final answer
    x = 59,748.07

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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.