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Finding the Fourth Proportional to 64,756.44, 96,966.12 and 60,816.12

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Solution

The fourth proportional to 64,756.44, 96,966.12 and 60,816.12 is: 91,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,756.44 : 96,966.12 = 60,816.12 : x
  2. Step 2: Convert to fraction form
    64,756.44/96,966.12 = 60,816.12/x
  3. Step 3: Cross multiply
    64,756.44x = 96,966.12 × 60,816.12
  4. Step 4: Simplify right side
    64,756.44x = 5,897,103,189.85
  5. Step 5: Solve for x
    x = 5,897,103,189.85/64,756.44
  6. Step 6: Final answer
    x = 91,065.90

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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.