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Finding the Fourth Proportional to 109,856.32, 151,602.72 and 59,555.44

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Solution

The fourth proportional to 109,856.32, 151,602.72 and 59,555.44 is: 82,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,856.32 : 151,602.72 = 59,555.44 : x
  2. Step 2: Convert to fraction form
    109,856.32/151,602.72 = 59,555.44/x
  3. Step 3: Cross multiply
    109,856.32x = 151,602.72 × 59,555.44
  4. Step 4: Simplify right side
    109,856.32x = 9,028,766,694.80
  5. Step 5: Solve for x
    x = 9,028,766,694.80/109,856.32
  6. Step 6: Final answer
    x = 82,187.05

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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.