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Finding the Fourth Proportional to 117,549.60, 162,218.80 and 63,835.52

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Solution

The fourth proportional to 117,549.60, 162,218.80 and 63,835.52 is: 88,093.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,549.60 : 162,218.80 = 63,835.52 : x
  2. Step 2: Convert to fraction form
    117,549.60/162,218.80 = 63,835.52/x
  3. Step 3: Cross multiply
    117,549.60x = 162,218.80 × 63,835.52
  4. Step 4: Simplify right side
    117,549.60x = 10,355,321,451.78
  5. Step 5: Solve for x
    x = 10,355,321,451.78/117,549.60
  6. Step 6: Final answer
    x = 88,093.21

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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.