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Finding the Fourth Proportional to 222,701.70, 334,052.55 and 172,935.30

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Solution

The fourth proportional to 222,701.70, 334,052.55 and 172,935.30 is: 259,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,701.70 : 334,052.55 = 172,935.30 : x
  2. Step 2: Convert to fraction form
    222,701.70/334,052.55 = 172,935.30/x
  3. Step 3: Cross multiply
    222,701.70x = 334,052.55 × 172,935.30
  4. Step 4: Simplify right side
    222,701.70x = 57,769,477,950.02
  5. Step 5: Solve for x
    x = 57,769,477,950.02/222,701.70
  6. Step 6: Final answer
    x = 259,402.95

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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.