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Finding the Fourth Proportional to 220,025.89, 330,109.91 and 101,774.80

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Solution

The fourth proportional to 220,025.89, 330,109.91 and 101,774.80 is: 152,695.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,025.89 : 330,109.91 = 101,774.80 : x
  2. Step 2: Convert to fraction form
    220,025.89/330,109.91 = 101,774.80/x
  3. Step 3: Cross multiply
    220,025.89x = 330,109.91 × 101,774.80
  4. Step 4: Simplify right side
    220,025.89x = 33,596,867,908.84
  5. Step 5: Solve for x
    x = 33,596,867,908.84/220,025.89
  6. Step 6: Final answer
    x = 152,695.07

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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.