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Finding the Fourth Proportional to 133,026.68, 183,644.54 and 102,744.02

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Solution

The fourth proportional to 133,026.68, 183,644.54 and 102,744.02 is: 141,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,026.68 : 183,644.54 = 102,744.02 : x
  2. Step 2: Convert to fraction form
    133,026.68/183,644.54 = 102,744.02/x
  3. Step 3: Cross multiply
    133,026.68x = 183,644.54 × 102,744.02
  4. Step 4: Simplify right side
    133,026.68x = 18,868,378,290.65
  5. Step 5: Solve for x
    x = 18,868,378,290.65/133,026.68
  6. Step 6: Final answer
    x = 141,839.05

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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.