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Finding the Fourth Proportional to 76,700.52, 115,069.95 and 60,964.92

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Solution

The fourth proportional to 76,700.52, 115,069.95 and 60,964.92 is: 91,462.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,700.52 : 115,069.95 = 60,964.92 : x
  2. Step 2: Convert to fraction form
    76,700.52/115,069.95 = 60,964.92/x
  3. Step 3: Cross multiply
    76,700.52x = 115,069.95 × 60,964.92
  4. Step 4: Simplify right side
    76,700.52x = 7,015,230,296.15
  5. Step 5: Solve for x
    x = 7,015,230,296.15/76,700.52
  6. Step 6: Final answer
    x = 91,462.62

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1.5x scale

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.