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Finding the Fourth Proportional to 235,823.70, 353,735.55 and 164,964.90

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Solution

The fourth proportional to 235,823.70, 353,735.55 and 164,964.90 is: 247,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,823.70 : 353,735.55 = 164,964.90 : x
  2. Step 2: Convert to fraction form
    235,823.70/353,735.55 = 164,964.90/x
  3. Step 3: Cross multiply
    235,823.70x = 353,735.55 × 164,964.90
  4. Step 4: Simplify right side
    235,823.70x = 58,353,949,632.20
  5. Step 5: Solve for x
    x = 58,353,949,632.20/235,823.70
  6. Step 6: Final answer
    x = 247,447.35

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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.