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Finding the Fourth Proportional to 109,437.88, 164,156.80 and 26,331.88

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Solution

The fourth proportional to 109,437.88, 164,156.80 and 26,331.88 is: 39,497.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,437.88 : 164,156.80 = 26,331.88 : x
  2. Step 2: Convert to fraction form
    109,437.88/164,156.80 = 26,331.88/x
  3. Step 3: Cross multiply
    109,437.88x = 164,156.80 × 26,331.88
  4. Step 4: Simplify right side
    109,437.88x = 4,322,557,158.78
  5. Step 5: Solve for x
    x = 4,322,557,158.78/109,437.88
  6. Step 6: Final answer
    x = 39,497.82

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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.