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Finding the Fourth Proportional to 89,304.65, 133,956.96 and 26,975.15

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Solution

The fourth proportional to 89,304.65, 133,956.96 and 26,975.15 is: 40,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,304.65 : 133,956.96 = 26,975.15 : x
  2. Step 2: Convert to fraction form
    89,304.65/133,956.96 = 26,975.15/x
  3. Step 3: Cross multiply
    89,304.65x = 133,956.96 × 26,975.15
  4. Step 4: Simplify right side
    89,304.65x = 3,613,509,089.54
  5. Step 5: Solve for x
    x = 3,613,509,089.54/89,304.65
  6. Step 6: Final answer
    x = 40,462.72

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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.