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Finding the Fourth Proportional to 117,465.47, 162,103.56 and 63,750.95

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Solution

The fourth proportional to 117,465.47, 162,103.56 and 63,750.95 is: 87,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,465.47 : 162,103.56 = 63,750.95 : x
  2. Step 2: Convert to fraction form
    117,465.47/162,103.56 = 63,750.95/x
  3. Step 3: Cross multiply
    117,465.47x = 162,103.56 × 63,750.95
  4. Step 4: Simplify right side
    117,465.47x = 10,334,255,948.38
  5. Step 5: Solve for x
    x = 10,334,255,948.38/117,465.47
  6. Step 6: Final answer
    x = 87,976.97

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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.