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Finding the Fourth Proportional to 109,639.44, 151,302.44 and 59,338.44

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Solution

The fourth proportional to 109,639.44, 151,302.44 and 59,338.44 is: 81,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,639.44 : 151,302.44 = 59,338.44 : x
  2. Step 2: Convert to fraction form
    109,639.44/151,302.44 = 59,338.44/x
  3. Step 3: Cross multiply
    109,639.44x = 151,302.44 × 59,338.44
  4. Step 4: Simplify right side
    109,639.44x = 8,978,050,757.79
  5. Step 5: Solve for x
    x = 8,978,050,757.79/109,639.44
  6. Step 6: Final answer
    x = 81,887.05

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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.