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Finding the Fourth Proportional to 235,376.34, 324,854.88 and 143,548.92

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Solution

The fourth proportional to 235,376.34, 324,854.88 and 143,548.92 is: 198,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,376.34 : 324,854.88 = 143,548.92 : x
  2. Step 2: Convert to fraction form
    235,376.34/324,854.88 = 143,548.92/x
  3. Step 3: Cross multiply
    235,376.34x = 324,854.88 × 143,548.92
  4. Step 4: Simplify right side
    235,376.34x = 46,632,567,180.73
  5. Step 5: Solve for x
    x = 46,632,567,180.73/235,376.34
  6. Step 6: Final answer
    x = 198,119.18

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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.