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Finding the Fourth Proportional to 110,536.79, 165,803.90 and 66,175.92

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Solution

The fourth proportional to 110,536.79, 165,803.90 and 66,175.92 is: 99,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,536.79 : 165,803.90 = 66,175.92 : x
  2. Step 2: Convert to fraction form
    110,536.79/165,803.90 = 66,175.92/x
  3. Step 3: Cross multiply
    110,536.79x = 165,803.90 × 66,175.92
  4. Step 4: Simplify right side
    110,536.79x = 10,972,225,291.21
  5. Step 5: Solve for x
    x = 10,972,225,291.21/110,536.79
  6. Step 6: Final answer
    x = 99,263.11

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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.