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Finding the Fourth Proportional to 64,772.22, 97,041.69 and 54,230.88

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Solution

The fourth proportional to 64,772.22, 97,041.69 and 54,230.88 is: 81,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,772.22 : 97,041.69 = 54,230.88 : x
  2. Step 2: Convert to fraction form
    64,772.22/97,041.69 = 54,230.88/x
  3. Step 3: Cross multiply
    64,772.22x = 97,041.69 × 54,230.88
  4. Step 4: Simplify right side
    64,772.22x = 5,262,656,245.39
  5. Step 5: Solve for x
    x = 5,262,656,245.39/64,772.22
  6. Step 6: Final answer
    x = 81,248.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.