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Finding the Fourth Proportional to 209,952.40, 314,928.60 and 185,020.60

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Solution

The fourth proportional to 209,952.40, 314,928.60 and 185,020.60 is: 277,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952.40 : 314,928.60 = 185,020.60 : x
  2. Step 2: Convert to fraction form
    209,952.40/314,928.60 = 185,020.60/x
  3. Step 3: Cross multiply
    209,952.40x = 314,928.60 × 185,020.60
  4. Step 4: Simplify right side
    209,952.40x = 58,268,278,529.16
  5. Step 5: Solve for x
    x = 58,268,278,529.16/209,952.40
  6. Step 6: Final answer
    x = 277,530.90

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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.