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Finding the Fourth Proportional to 110,698.37, 166,035.25 and 39,618.13

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Solution

The fourth proportional to 110,698.37, 166,035.25 and 39,618.13 is: 59,422.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,698.37 : 166,035.25 = 39,618.13 : x
  2. Step 2: Convert to fraction form
    110,698.37/166,035.25 = 39,618.13/x
  3. Step 3: Cross multiply
    110,698.37x = 166,035.25 × 39,618.13
  4. Step 4: Simplify right side
    110,698.37x = 6,578,006,153.30
  5. Step 5: Solve for x
    x = 6,578,006,153.30/110,698.37
  6. Step 6: Final answer
    x = 59,422.79

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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.