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Finding the Fourth Proportional to 73,070.66, 109,609.18 and 23,154.44

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Solution

The fourth proportional to 73,070.66, 109,609.18 and 23,154.44 is: 34,732.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,070.66 : 109,609.18 = 23,154.44 : x
  2. Step 2: Convert to fraction form
    73,070.66/109,609.18 = 23,154.44/x
  3. Step 3: Cross multiply
    73,070.66x = 109,609.18 × 23,154.44
  4. Step 4: Simplify right side
    73,070.66x = 2,537,938,633.71
  5. Step 5: Solve for x
    x = 2,537,938,633.71/73,070.66
  6. Step 6: Final answer
    x = 34,732.66

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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.