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Finding the Fourth Proportional to 276,937.60, 415,373.46 and 89,948.92

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Solution

The fourth proportional to 276,937.60, 415,373.46 and 89,948.92 is: 134,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,937.60 : 415,373.46 = 89,948.92 : x
  2. Step 2: Convert to fraction form
    276,937.60/415,373.46 = 89,948.92/x
  3. Step 3: Cross multiply
    276,937.60x = 415,373.46 × 89,948.92
  4. Step 4: Simplify right side
    276,937.60x = 37,362,394,123.66
  5. Step 5: Solve for x
    x = 37,362,394,123.66/276,937.60
  6. Step 6: Final answer
    x = 134,912.68

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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.