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Finding the Fourth Proportional to 151,161.94, 226,830.53 and 76,287.94

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Solution

The fourth proportional to 151,161.94, 226,830.53 and 76,287.94 is: 114,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,161.94 : 226,830.53 = 76,287.94 : x
  2. Step 2: Convert to fraction form
    151,161.94/226,830.53 = 76,287.94/x
  3. Step 3: Cross multiply
    151,161.94x = 226,830.53 × 76,287.94
  4. Step 4: Simplify right side
    151,161.94x = 17,304,433,862.81
  5. Step 5: Solve for x
    x = 17,304,433,862.81/151,161.94
  6. Step 6: Final answer
    x = 114,476.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.