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Finding the Fourth Proportional to 179,810.55, 269,685.59 and 65,934.81

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Solution

The fourth proportional to 179,810.55, 269,685.59 and 65,934.81 is: 98,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,810.55 : 269,685.59 = 65,934.81 : x
  2. Step 2: Convert to fraction form
    179,810.55/269,685.59 = 65,934.81/x
  3. Step 3: Cross multiply
    179,810.55x = 269,685.59 × 65,934.81
  4. Step 4: Simplify right side
    179,810.55x = 17,781,667,806.71
  5. Step 5: Solve for x
    x = 17,781,667,806.71/179,810.55
  6. Step 6: Final answer
    x = 98,891.13

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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.