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Finding the Fourth Proportional to 322,151.66, 483,036.06 and 122,486.66

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Solution

The fourth proportional to 322,151.66, 483,036.06 and 122,486.66 is: 183,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,151.66 : 483,036.06 = 122,486.66 : x
  2. Step 2: Convert to fraction form
    322,151.66/483,036.06 = 122,486.66/x
  3. Step 3: Cross multiply
    322,151.66x = 483,036.06 × 122,486.66
  4. Step 4: Simplify right side
    322,151.66x = 59,165,473,648.96
  5. Step 5: Solve for x
    x = 59,165,473,648.96/322,151.66
  6. Step 6: Final answer
    x = 183,657.21

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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.