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Finding the Fourth Proportional to 222,064.11, 306,477.68 and 126,548.91

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Solution

The fourth proportional to 222,064.11, 306,477.68 and 126,548.91 is: 174,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,064.11 : 306,477.68 = 126,548.91 : x
  2. Step 2: Convert to fraction form
    222,064.11/306,477.68 = 126,548.91/x
  3. Step 3: Cross multiply
    222,064.11x = 306,477.68 × 126,548.91
  4. Step 4: Simplify right side
    222,064.11x = 38,784,415,710.58
  5. Step 5: Solve for x
    x = 38,784,415,710.58/222,064.11
  6. Step 6: Final answer
    x = 174,654.14

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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.