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Finding the Fourth Proportional to 303,069.60, 418,219.20 and 168,933.60

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Solution

The fourth proportional to 303,069.60, 418,219.20 and 168,933.60 is: 233,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,069.60 : 418,219.20 = 168,933.60 : x
  2. Step 2: Convert to fraction form
    303,069.60/418,219.20 = 168,933.60/x
  3. Step 3: Cross multiply
    303,069.60x = 418,219.20 × 168,933.60
  4. Step 4: Simplify right side
    303,069.60x = 70,651,275,045.12
  5. Step 5: Solve for x
    x = 70,651,275,045.12/303,069.60
  6. Step 6: Final answer
    x = 233,118.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.