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Finding the Fourth Proportional to 151,791.92, 227,681.12 and 51,961.04

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Solution

The fourth proportional to 151,791.92, 227,681.12 and 51,961.04 is: 77,939.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,791.92 : 227,681.12 = 51,961.04 : x
  2. Step 2: Convert to fraction form
    151,791.92/227,681.12 = 51,961.04/x
  3. Step 3: Cross multiply
    151,791.92x = 227,681.12 × 51,961.04
  4. Step 4: Simplify right side
    151,791.92x = 11,830,547,783.56
  5. Step 5: Solve for x
    x = 11,830,547,783.56/151,791.92
  6. Step 6: Final answer
    x = 77,939.25

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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.