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Finding the Fourth Proportional to 222,034.80, 306,389.49 and 125,233.32

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Solution

The fourth proportional to 222,034.80, 306,389.49 and 125,233.32 is: 172,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,034.80 : 306,389.49 = 125,233.32 : x
  2. Step 2: Convert to fraction form
    222,034.80/306,389.49 = 125,233.32/x
  3. Step 3: Cross multiply
    222,034.80x = 306,389.49 × 125,233.32
  4. Step 4: Simplify right side
    222,034.80x = 38,370,173,045.81
  5. Step 5: Solve for x
    x = 38,370,173,045.81/222,034.80
  6. Step 6: Final answer
    x = 172,811.53

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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.