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Finding the Fourth Proportional to 119,767.62, 165,271.62 and 66,052.98

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Solution

The fourth proportional to 119,767.62, 165,271.62 and 66,052.98 is: 91,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,767.62 : 165,271.62 = 66,052.98 : x
  2. Step 2: Convert to fraction form
    119,767.62/165,271.62 = 66,052.98/x
  3. Step 3: Cross multiply
    119,767.62x = 165,271.62 × 66,052.98
  4. Step 4: Simplify right side
    119,767.62x = 10,916,683,010.43
  5. Step 5: Solve for x
    x = 10,916,683,010.43/119,767.62
  6. Step 6: Final answer
    x = 91,148.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.