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Finding the Fourth Proportional to 109,355.06, 150,909.99 and 59,054.06

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Solution

The fourth proportional to 109,355.06, 150,909.99 and 59,054.06 is: 81,494.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,355.06 : 150,909.99 = 59,054.06 : x
  2. Step 2: Convert to fraction form
    109,355.06/150,909.99 = 59,054.06/x
  3. Step 3: Cross multiply
    109,355.06x = 150,909.99 × 59,054.06
  4. Step 4: Simplify right side
    109,355.06x = 8,911,847,759.88
  5. Step 5: Solve for x
    x = 8,911,847,759.88/109,355.06
  6. Step 6: Final answer
    x = 81,494.61

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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.