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Finding the Fourth Proportional to 89,967.40, 135,048.30 and 50,601.40

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Solution

The fourth proportional to 89,967.40, 135,048.30 and 50,601.40 is: 75,956.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,967.40 : 135,048.30 = 50,601.40 : x
  2. Step 2: Convert to fraction form
    89,967.40/135,048.30 = 50,601.40/x
  3. Step 3: Cross multiply
    89,967.40x = 135,048.30 × 50,601.40
  4. Step 4: Simplify right side
    89,967.40x = 6,833,633,047.62
  5. Step 5: Solve for x
    x = 6,833,633,047.62/89,967.40
  6. Step 6: Final answer
    x = 75,956.77

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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.