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Finding the Fourth Proportional to 73,950.78, 102,073.01 and 43,746.60

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Solution

The fourth proportional to 73,950.78, 102,073.01 and 43,746.60 is: 60,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,950.78 : 102,073.01 = 43,746.60 : x
  2. Step 2: Convert to fraction form
    73,950.78/102,073.01 = 43,746.60/x
  3. Step 3: Cross multiply
    73,950.78x = 102,073.01 × 43,746.60
  4. Step 4: Simplify right side
    73,950.78x = 4,465,347,139.27
  5. Step 5: Solve for x
    x = 4,465,347,139.27/73,950.78
  6. Step 6: Final answer
    x = 60,382.69

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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.