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Finding the Fourth Proportional to 84,713.16, 127,108.53 and 36,696.45

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Solution

The fourth proportional to 84,713.16, 127,108.53 and 36,696.45 is: 55,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,713.16 : 127,108.53 = 36,696.45 : x
  2. Step 2: Convert to fraction form
    84,713.16/127,108.53 = 36,696.45/x
  3. Step 3: Cross multiply
    84,713.16x = 127,108.53 × 36,696.45
  4. Step 4: Simplify right side
    84,713.16x = 4,664,431,815.72
  5. Step 5: Solve for x
    x = 4,664,431,815.72/84,713.16
  6. Step 6: Final answer
    x = 55,061.48

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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.