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Finding the Fourth Proportional to 89,281.56, 133,922.18 and 36,653.96

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Solution

The fourth proportional to 89,281.56, 133,922.18 and 36,653.96 is: 54,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,281.56 : 133,922.18 = 36,653.96 : x
  2. Step 2: Convert to fraction form
    89,281.56/133,922.18 = 36,653.96/x
  3. Step 3: Cross multiply
    89,281.56x = 133,922.18 × 36,653.96
  4. Step 4: Simplify right side
    89,281.56x = 4,908,778,228.83
  5. Step 5: Solve for x
    x = 4,908,778,228.83/89,281.56
  6. Step 6: Final answer
    x = 54,980.87

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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.