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Finding the Fourth Proportional to 185,007.65, 255,310.45 and 104,435.87

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Solution

The fourth proportional to 185,007.65, 255,310.45 and 104,435.87 is: 144,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,007.65 : 255,310.45 = 104,435.87 : x
  2. Step 2: Convert to fraction form
    185,007.65/255,310.45 = 104,435.87/x
  3. Step 3: Cross multiply
    185,007.65x = 255,310.45 × 104,435.87
  4. Step 4: Simplify right side
    185,007.65x = 26,663,567,428.20
  5. Step 5: Solve for x
    x = 26,663,567,428.20/185,007.65
  6. Step 6: Final answer
    x = 144,121.44

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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.