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Finding the Fourth Proportional to 110,682.52, 165,925.15 and 40,545.43

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Solution

The fourth proportional to 110,682.52, 165,925.15 and 40,545.43 is: 60,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,682.52 : 165,925.15 = 40,545.43 : x
  2. Step 2: Convert to fraction form
    110,682.52/165,925.15 = 40,545.43/x
  3. Step 3: Cross multiply
    110,682.52x = 165,925.15 × 40,545.43
  4. Step 4: Simplify right side
    110,682.52x = 6,727,506,554.56
  5. Step 5: Solve for x
    x = 6,727,506,554.56/110,682.52
  6. Step 6: Final answer
    x = 60,782.01

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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.