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Finding the Fourth Proportional to 89,152.66, 133,786.96 and 38,601.05

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Solution

The fourth proportional to 89,152.66, 133,786.96 and 38,601.05 is: 57,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,152.66 : 133,786.96 = 38,601.05 : x
  2. Step 2: Convert to fraction form
    89,152.66/133,786.96 = 38,601.05/x
  3. Step 3: Cross multiply
    89,152.66x = 133,786.96 × 38,601.05
  4. Step 4: Simplify right side
    89,152.66x = 5,164,317,153.49
  5. Step 5: Solve for x
    x = 5,164,317,153.49/89,152.66
  6. Step 6: Final answer
    x = 57,926.68

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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.