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Finding the Fourth Proportional to 110,351.04, 165,523.28 and 65,678.91

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Solution

The fourth proportional to 110,351.04, 165,523.28 and 65,678.91 is: 98,516.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,351.04 : 165,523.28 = 65,678.91 : x
  2. Step 2: Convert to fraction form
    110,351.04/165,523.28 = 65,678.91/x
  3. Step 3: Cross multiply
    110,351.04x = 165,523.28 × 65,678.91
  4. Step 4: Simplify right side
    110,351.04x = 10,871,388,281.63
  5. Step 5: Solve for x
    x = 10,871,388,281.63/110,351.04
  6. Step 6: Final answer
    x = 98,516.41

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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.