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Finding the Fourth Proportional to 101,109.15, 151,718.40 and 41,950.80

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Solution

The fourth proportional to 101,109.15, 151,718.40 and 41,950.80 is: 62,948.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,109.15 : 151,718.40 = 41,950.80 : x
  2. Step 2: Convert to fraction form
    101,109.15/151,718.40 = 41,950.80/x
  3. Step 3: Cross multiply
    101,109.15x = 151,718.40 × 41,950.80
  4. Step 4: Simplify right side
    101,109.15x = 6,364,708,254.72
  5. Step 5: Solve for x
    x = 6,364,708,254.72/101,109.15
  6. Step 6: Final answer
    x = 62,948.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.