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Finding the Fourth Proportional to 117,757.06, 162,502.94 and 64,040.84

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Solution

The fourth proportional to 117,757.06, 162,502.94 and 64,040.84 is: 88,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,757.06 : 162,502.94 = 64,040.84 : x
  2. Step 2: Convert to fraction form
    117,757.06/162,502.94 = 64,040.84/x
  3. Step 3: Cross multiply
    117,757.06x = 162,502.94 × 64,040.84
  4. Step 4: Simplify right side
    117,757.06x = 10,406,824,737.04
  5. Step 5: Solve for x
    x = 10,406,824,737.04/117,757.06
  6. Step 6: Final answer
    x = 88,375.38

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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.