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Finding the Fourth Proportional to 84,716.78, 127,053.84 and 34,810.66

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Solution

The fourth proportional to 84,716.78, 127,053.84 and 34,810.66 is: 52,207.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,716.78 : 127,053.84 = 34,810.66 : x
  2. Step 2: Convert to fraction form
    84,716.78/127,053.84 = 34,810.66/x
  3. Step 3: Cross multiply
    84,716.78x = 127,053.84 × 34,810.66
  4. Step 4: Simplify right side
    84,716.78x = 4,422,828,025.93
  5. Step 5: Solve for x
    x = 4,422,828,025.93/84,716.78
  6. Step 6: Final answer
    x = 52,207.23

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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.