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Finding the Fourth Proportional to 235,216.60, 352,679.10 and 135,327.40

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Solution

The fourth proportional to 235,216.60, 352,679.10 and 135,327.40 is: 202,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,216.60 : 352,679.10 = 135,327.40 : x
  2. Step 2: Convert to fraction form
    235,216.60/352,679.10 = 135,327.40/x
  3. Step 3: Cross multiply
    235,216.60x = 352,679.10 × 135,327.40
  4. Step 4: Simplify right side
    235,216.60x = 47,727,145,637.34
  5. Step 5: Solve for x
    x = 47,727,145,637.34/235,216.60
  6. Step 6: Final answer
    x = 202,907.22

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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.