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Finding the Fourth Proportional to 165,776.62, 248,666.64 and 132,706.88

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Solution

The fourth proportional to 165,776.62, 248,666.64 and 132,706.88 is: 199,061.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,776.62 : 248,666.64 = 132,706.88 : x
  2. Step 2: Convert to fraction form
    165,776.62/248,666.64 = 132,706.88/x
  3. Step 3: Cross multiply
    165,776.62x = 248,666.64 × 132,706.88
  4. Step 4: Simplify right side
    165,776.62x = 32,999,773,954.48
  5. Step 5: Solve for x
    x = 32,999,773,954.48/165,776.62
  6. Step 6: Final answer
    x = 199,061.69

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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.