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Finding the Fourth Proportional to 109,953.70, 151,736.11 and 59,652.70

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Solution

The fourth proportional to 109,953.70, 151,736.11 and 59,652.70 is: 82,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,953.70 : 151,736.11 = 59,652.70 : x
  2. Step 2: Convert to fraction form
    109,953.70/151,736.11 = 59,652.70/x
  3. Step 3: Cross multiply
    109,953.70x = 151,736.11 × 59,652.70
  4. Step 4: Simplify right side
    109,953.70x = 9,051,469,141.81
  5. Step 5: Solve for x
    x = 9,051,469,141.81/109,953.70
  6. Step 6: Final answer
    x = 82,320.73

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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.