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Finding the Fourth Proportional to 73,717.65, 101,730.39 and 41,886.60

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Solution

The fourth proportional to 73,717.65, 101,730.39 and 41,886.60 is: 57,803.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,717.65 : 101,730.39 = 41,886.60 : x
  2. Step 2: Convert to fraction form
    73,717.65/101,730.39 = 41,886.60/x
  3. Step 3: Cross multiply
    73,717.65x = 101,730.39 × 41,886.60
  4. Step 4: Simplify right side
    73,717.65x = 4,261,140,153.77
  5. Step 5: Solve for x
    x = 4,261,140,153.77/73,717.65
  6. Step 6: Final answer
    x = 57,803.53

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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.