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Finding the Fourth Proportional to 199,479.66, 275,281.81 and 127,859.62

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Solution

The fourth proportional to 199,479.66, 275,281.81 and 127,859.62 is: 176,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,479.66 : 275,281.81 = 127,859.62 : x
  2. Step 2: Convert to fraction form
    199,479.66/275,281.81 = 127,859.62/x
  3. Step 3: Cross multiply
    199,479.66x = 275,281.81 × 127,859.62
  4. Step 4: Simplify right side
    199,479.66x = 35,197,427,619.51
  5. Step 5: Solve for x
    x = 35,197,427,619.51/199,479.66
  6. Step 6: Final answer
    x = 176,446.20

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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.