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Finding the Fourth Proportional to 110,662.16, 165,952.53 and 39,565.59

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Solution

The fourth proportional to 110,662.16, 165,952.53 and 39,565.59 is: 59,333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,662.16 : 165,952.53 = 39,565.59 : x
  2. Step 2: Convert to fraction form
    110,662.16/165,952.53 = 39,565.59/x
  3. Step 3: Cross multiply
    110,662.16x = 165,952.53 × 39,565.59
  4. Step 4: Simplify right side
    110,662.16x = 6,566,009,139.12
  5. Step 5: Solve for x
    x = 6,566,009,139.12/110,662.16
  6. Step 6: Final answer
    x = 59,333.83

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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.