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Finding the Fourth Proportional to 110,670.86, 165,965.60 and 39,574.22

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Solution

The fourth proportional to 110,670.86, 165,965.60 and 39,574.22 is: 59,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,670.86 : 165,965.60 = 39,574.22 : x
  2. Step 2: Convert to fraction form
    110,670.86/165,965.60 = 39,574.22/x
  3. Step 3: Cross multiply
    110,670.86x = 165,965.60 × 39,574.22
  4. Step 4: Simplify right side
    110,670.86x = 6,567,958,139.13
  5. Step 5: Solve for x
    x = 6,567,958,139.13/110,670.86
  6. Step 6: Final answer
    x = 59,346.77

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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.