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Finding the Fourth Proportional to 109,627.65, 151,286.63 and 59,326.65

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Solution

The fourth proportional to 109,627.65, 151,286.63 and 59,326.65 is: 81,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,627.65 : 151,286.63 = 59,326.65 : x
  2. Step 2: Convert to fraction form
    109,627.65/151,286.63 = 59,326.65/x
  3. Step 3: Cross multiply
    109,627.65x = 151,286.63 × 59,326.65
  4. Step 4: Simplify right side
    109,627.65x = 8,975,328,947.69
  5. Step 5: Solve for x
    x = 8,975,328,947.69/109,627.65
  6. Step 6: Final answer
    x = 81,871.03

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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.