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Finding the Fourth Proportional to 109,197.65, 150,693.83 and 60,800.25

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Solution

The fourth proportional to 109,197.65, 150,693.83 and 60,800.25 is: 83,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,197.65 : 150,693.83 = 60,800.25 : x
  2. Step 2: Convert to fraction form
    109,197.65/150,693.83 = 60,800.25/x
  3. Step 3: Cross multiply
    109,197.65x = 150,693.83 × 60,800.25
  4. Step 4: Simplify right side
    109,197.65x = 9,162,223,368.56
  5. Step 5: Solve for x
    x = 9,162,223,368.56/109,197.65
  6. Step 6: Final answer
    x = 83,904.95

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1.5x scale

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.