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Finding the Fourth Proportional to 109,358.06, 150,914.12 and 59,057.06

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Solution

The fourth proportional to 109,358.06, 150,914.12 and 59,057.06 is: 81,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,358.06 : 150,914.12 = 59,057.06 : x
  2. Step 2: Convert to fraction form
    109,358.06/150,914.12 = 59,057.06/x
  3. Step 3: Cross multiply
    109,358.06x = 150,914.12 × 59,057.06
  4. Step 4: Simplify right side
    109,358.06x = 8,912,544,239.69
  5. Step 5: Solve for x
    x = 8,912,544,239.69/109,358.06
  6. Step 6: Final answer
    x = 81,498.74

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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.