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Finding the Fourth Proportional to 117,569.60, 162,246.40 and 63,855.52

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Solution

The fourth proportional to 117,569.60, 162,246.40 and 63,855.52 is: 88,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,569.60 : 162,246.40 = 63,855.52 : x
  2. Step 2: Convert to fraction form
    117,569.60/162,246.40 = 63,855.52/x
  3. Step 3: Cross multiply
    117,569.60x = 162,246.40 × 63,855.52
  4. Step 4: Simplify right side
    117,569.60x = 10,360,328,240.13
  5. Step 5: Solve for x
    x = 10,360,328,240.13/117,569.60
  6. Step 6: Final answer
    x = 88,120.81

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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.