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Finding the Fourth Proportional to 136,873.59, 188,908.37 and 133,275.97

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Solution

The fourth proportional to 136,873.59, 188,908.37 and 133,275.97 is: 183,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,873.59 : 188,908.37 = 133,275.97 : x
  2. Step 2: Convert to fraction form
    136,873.59/188,908.37 = 133,275.97/x
  3. Step 3: Cross multiply
    136,873.59x = 188,908.37 × 133,275.97
  4. Step 4: Simplify right side
    136,873.59x = 25,176,946,252.87
  5. Step 5: Solve for x
    x = 25,176,946,252.87/136,873.59
  6. Step 6: Final answer
    x = 183,943.05

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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.