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Finding the Fourth Proportional to 117,656.68, 162,367.25 and 63,941.69

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Solution

The fourth proportional to 117,656.68, 162,367.25 and 63,941.69 is: 88,240.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,656.68 : 162,367.25 = 63,941.69 : x
  2. Step 2: Convert to fraction form
    117,656.68/162,367.25 = 63,941.69/x
  3. Step 3: Cross multiply
    117,656.68x = 162,367.25 × 63,941.69
  4. Step 4: Simplify right side
    117,656.68x = 10,382,036,365.65
  5. Step 5: Solve for x
    x = 10,382,036,365.65/117,656.68
  6. Step 6: Final answer
    x = 88,240.09

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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.