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Finding the Fourth Proportional to 73,735.64, 110,065.16 and 63,272.90

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Solution

The fourth proportional to 73,735.64, 110,065.16 and 63,272.90 is: 94,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,735.64 : 110,065.16 = 63,272.90 : x
  2. Step 2: Convert to fraction form
    73,735.64/110,065.16 = 63,272.90/x
  3. Step 3: Cross multiply
    73,735.64x = 110,065.16 × 63,272.90
  4. Step 4: Simplify right side
    73,735.64x = 6,964,141,862.16
  5. Step 5: Solve for x
    x = 6,964,141,862.16/73,735.64
  6. Step 6: Final answer
    x = 94,447.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.