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Finding the Fourth Proportional to 109,927.44, 151,659.45 and 66,889.44

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Solution

The fourth proportional to 109,927.44, 151,659.45 and 66,889.44 is: 92,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,927.44 : 151,659.45 = 66,889.44 : x
  2. Step 2: Convert to fraction form
    109,927.44/151,659.45 = 66,889.44/x
  3. Step 3: Cross multiply
    109,927.44x = 151,659.45 × 66,889.44
  4. Step 4: Simplify right side
    109,927.44x = 10,144,415,681.21
  5. Step 5: Solve for x
    x = 10,144,415,681.21/109,927.44
  6. Step 6: Final answer
    x = 92,282.83

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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.