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Finding the Fourth Proportional to 75,337.80, 103,967.19 and 41,345.76

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Solution

The fourth proportional to 75,337.80, 103,967.19 and 41,345.76 is: 57,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,337.80 : 103,967.19 = 41,345.76 : x
  2. Step 2: Convert to fraction form
    75,337.80/103,967.19 = 41,345.76/x
  3. Step 3: Cross multiply
    75,337.80x = 103,967.19 × 41,345.76
  4. Step 4: Simplify right side
    75,337.80x = 4,298,602,485.61
  5. Step 5: Solve for x
    x = 4,298,602,485.61/75,337.80
  6. Step 6: Final answer
    x = 57,057.71

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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.