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Finding the Fourth Proportional to 75,060.83, 103,580.90 and 44,862.81

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Solution

The fourth proportional to 75,060.83, 103,580.90 and 44,862.81 is: 61,908.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,060.83 : 103,580.90 = 44,862.81 : x
  2. Step 2: Convert to fraction form
    75,060.83/103,580.90 = 44,862.81/x
  3. Step 3: Cross multiply
    75,060.83x = 103,580.90 × 44,862.81
  4. Step 4: Simplify right side
    75,060.83x = 4,646,930,500.64
  5. Step 5: Solve for x
    x = 4,646,930,500.64/75,060.83
  6. Step 6: Final answer
    x = 61,908.86

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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.