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Finding the Fourth Proportional to 242,625.81, 363,854.88 and 92,908.65

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Solution

The fourth proportional to 242,625.81, 363,854.88 and 92,908.65 is: 139,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,625.81 : 363,854.88 = 92,908.65 : x
  2. Step 2: Convert to fraction form
    242,625.81/363,854.88 = 92,908.65/x
  3. Step 3: Cross multiply
    242,625.81x = 363,854.88 × 92,908.65
  4. Step 4: Simplify right side
    242,625.81x = 33,805,265,696.71
  5. Step 5: Solve for x
    x = 33,805,265,696.71/242,625.81
  6. Step 6: Final answer
    x = 139,330.87

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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.