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Finding the Fourth Proportional to 117,602.91, 162,292.14 and 63,887.90

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Solution

The fourth proportional to 117,602.91, 162,292.14 and 63,887.90 is: 88,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,602.91 : 162,292.14 = 63,887.90 : x
  2. Step 2: Convert to fraction form
    117,602.91/162,292.14 = 63,887.90/x
  3. Step 3: Cross multiply
    117,602.91x = 162,292.14 × 63,887.90
  4. Step 4: Simplify right side
    117,602.91x = 10,368,503,199.65
  5. Step 5: Solve for x
    x = 10,368,503,199.65/117,602.91
  6. Step 6: Final answer
    x = 88,165.36

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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.