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Finding the Fourth Proportional to 110,262.22, 165,448.04 and 43,700.87

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Solution

The fourth proportional to 110,262.22, 165,448.04 and 43,700.87 is: 65,572.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,262.22 : 165,448.04 = 43,700.87 : x
  2. Step 2: Convert to fraction form
    110,262.22/165,448.04 = 43,700.87/x
  3. Step 3: Cross multiply
    110,262.22x = 165,448.04 × 43,700.87
  4. Step 4: Simplify right side
    110,262.22x = 7,230,223,482.91
  5. Step 5: Solve for x
    x = 7,230,223,482.91/110,262.22
  6. Step 6: Final answer
    x = 65,572.99

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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.