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Finding the Fourth Proportional to 201,695.60, 302,251.80 and 89,283.80

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Solution

The fourth proportional to 201,695.60, 302,251.80 and 89,283.80 is: 133,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,695.60 : 302,251.80 = 89,283.80 : x
  2. Step 2: Convert to fraction form
    201,695.60/302,251.80 = 89,283.80/x
  3. Step 3: Cross multiply
    201,695.60x = 302,251.80 × 89,283.80
  4. Step 4: Simplify right side
    201,695.60x = 26,986,189,260.84
  5. Step 5: Solve for x
    x = 26,986,189,260.84/201,695.60
  6. Step 6: Final answer
    x = 133,796.62

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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.