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Finding the Fourth Proportional to 337,114.60, 505,744.80 and 112,436.80

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Solution

The fourth proportional to 337,114.60, 505,744.80 and 112,436.80 is: 168,679.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,114.60 : 505,744.80 = 112,436.80 : x
  2. Step 2: Convert to fraction form
    337,114.60/505,744.80 = 112,436.80/x
  3. Step 3: Cross multiply
    337,114.60x = 505,744.80 × 112,436.80
  4. Step 4: Simplify right side
    337,114.60x = 56,864,326,928.64
  5. Step 5: Solve for x
    x = 56,864,326,928.64/337,114.60
  6. Step 6: Final answer
    x = 168,679.51

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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.