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Finding the Fourth Proportional to 229,216.30, 343,824.45 and 166,230.70

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Solution

The fourth proportional to 229,216.30, 343,824.45 and 166,230.70 is: 249,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,216.30 : 343,824.45 = 166,230.70 : x
  2. Step 2: Convert to fraction form
    229,216.30/343,824.45 = 166,230.70/x
  3. Step 3: Cross multiply
    229,216.30x = 343,824.45 × 166,230.70
  4. Step 4: Simplify right side
    229,216.30x = 57,154,179,000.62
  5. Step 5: Solve for x
    x = 57,154,179,000.62/229,216.30
  6. Step 6: Final answer
    x = 249,346.05

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1.5x scale

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.