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Finding the Fourth Proportional to 110,551.48, 165,786.42 and 39,455.10

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Solution

The fourth proportional to 110,551.48, 165,786.42 and 39,455.10 is: 59,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,551.48 : 165,786.42 = 39,455.10 : x
  2. Step 2: Convert to fraction form
    110,551.48/165,786.42 = 39,455.10/x
  3. Step 3: Cross multiply
    110,551.48x = 165,786.42 × 39,455.10
  4. Step 4: Simplify right side
    110,551.48x = 6,541,119,779.74
  5. Step 5: Solve for x
    x = 6,541,119,779.74/110,551.48
  6. Step 6: Final answer
    x = 59,168.09

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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.