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Finding the Fourth Proportional to 220,088.66, 330,133.01 and 114,883.02

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Solution

The fourth proportional to 220,088.66, 330,133.01 and 114,883.02 is: 172,324.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,088.66 : 330,133.01 = 114,883.02 : x
  2. Step 2: Convert to fraction form
    220,088.66/330,133.01 = 114,883.02/x
  3. Step 3: Cross multiply
    220,088.66x = 330,133.01 × 114,883.02
  4. Step 4: Simplify right side
    220,088.66x = 37,926,676,616.08
  5. Step 5: Solve for x
    x = 37,926,676,616.08/220,088.66
  6. Step 6: Final answer
    x = 172,324.54

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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.