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Finding the Fourth Proportional to 220,098.79, 330,085.91 and 100,088.62

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Solution

The fourth proportional to 220,098.79, 330,085.91 and 100,088.62 is: 150,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,098.79 : 330,085.91 = 100,088.62 : x
  2. Step 2: Convert to fraction form
    220,098.79/330,085.91 = 100,088.62/x
  3. Step 3: Cross multiply
    220,098.79x = 330,085.91 × 100,088.62
  4. Step 4: Simplify right side
    220,098.79x = 33,037,843,285.22
  5. Step 5: Solve for x
    x = 33,037,843,285.22/220,098.79
  6. Step 6: Final answer
    x = 150,104.61

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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.