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Finding the Fourth Proportional to 223,067.60, 334,860.60 and 134,421.20

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Solution

The fourth proportional to 223,067.60, 334,860.60 and 134,421.20 is: 201,787.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,067.60 : 334,860.60 = 134,421.20 : x
  2. Step 2: Convert to fraction form
    223,067.60/334,860.60 = 134,421.20/x
  3. Step 3: Cross multiply
    223,067.60x = 334,860.60 × 134,421.20
  4. Step 4: Simplify right side
    223,067.60x = 45,012,363,684.72
  5. Step 5: Solve for x
    x = 45,012,363,684.72/223,067.60
  6. Step 6: Final answer
    x = 201,787.99

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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.