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Finding the Fourth Proportional to 110,587.86, 165,890.43 and 40,465.62

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Solution

The fourth proportional to 110,587.86, 165,890.43 and 40,465.62 is: 60,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,587.86 : 165,890.43 = 40,465.62 : x
  2. Step 2: Convert to fraction form
    110,587.86/165,890.43 = 40,465.62/x
  3. Step 3: Cross multiply
    110,587.86x = 165,890.43 × 40,465.62
  4. Step 4: Simplify right side
    110,587.86x = 6,712,859,102.02
  5. Step 5: Solve for x
    x = 6,712,859,102.02/110,587.86
  6. Step 6: Final answer
    x = 60,701.59

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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.