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Finding the Fourth Proportional to 175,151.39, 261,767.39 and 127,866.06

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Solution

The fourth proportional to 175,151.39, 261,767.39 and 127,866.06 is: 191,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,151.39 : 261,767.39 = 127,866.06 : x
  2. Step 2: Convert to fraction form
    175,151.39/261,767.39 = 127,866.06/x
  3. Step 3: Cross multiply
    175,151.39x = 261,767.39 × 127,866.06
  4. Step 4: Simplify right side
    175,151.39x = 33,471,163,486.95
  5. Step 5: Solve for x
    x = 33,471,163,486.95/175,151.39
  6. Step 6: Final answer
    x = 191,098.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.