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Finding the Fourth Proportional to 229,350.80, 343,345.80 and 170,447.60

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Solution

The fourth proportional to 229,350.80, 343,345.80 and 170,447.60 is: 255,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,350.80 : 343,345.80 = 170,447.60 : x
  2. Step 2: Convert to fraction form
    229,350.80/343,345.80 = 170,447.60/x
  3. Step 3: Cross multiply
    229,350.80x = 343,345.80 × 170,447.60
  4. Step 4: Simplify right side
    229,350.80x = 58,522,467,580.08
  5. Step 5: Solve for x
    x = 58,522,467,580.08/229,350.80
  6. Step 6: Final answer
    x = 255,165.74

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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.