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Finding the Fourth Proportional to 85,444.83, 117,913.56 and 49,655.87

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Solution

The fourth proportional to 85,444.83, 117,913.56 and 49,655.87 is: 68,524.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,444.83 : 117,913.56 = 49,655.87 : x
  2. Step 2: Convert to fraction form
    85,444.83/117,913.56 = 49,655.87/x
  3. Step 3: Cross multiply
    85,444.83x = 117,913.56 × 49,655.87
  4. Step 4: Simplify right side
    85,444.83x = 5,855,100,158.32
  5. Step 5: Solve for x
    x = 5,855,100,158.32/85,444.83
  6. Step 6: Final answer
    x = 68,524.92

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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.