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Finding the Fourth Proportional to 110,730, 166,161.42 and 40,616.40

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Solution

The fourth proportional to 110,730, 166,161.42 and 40,616.40 is: 60,948.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,730 : 166,161.42 = 40,616.40 : x
  2. Step 2: Convert to fraction form
    110,730/166,161.42 = 40,616.40/x
  3. Step 3: Cross multiply
    110,730x = 166,161.42 × 40,616.40
  4. Step 4: Simplify right side
    110,730x = 6,748,878,699.29
  5. Step 5: Solve for x
    x = 6,748,878,699.29/110,730
  6. Step 6: Final answer
    x = 60,948.96

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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.