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Finding the Fourth Proportional to 73,317.69, 109,978.45 and 23,397.72

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Solution

The fourth proportional to 73,317.69, 109,978.45 and 23,397.72 is: 35,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,317.69 : 109,978.45 = 23,397.72 : x
  2. Step 2: Convert to fraction form
    73,317.69/109,978.45 = 23,397.72/x
  3. Step 3: Cross multiply
    73,317.69x = 109,978.45 × 23,397.72
  4. Step 4: Simplify right side
    73,317.69x = 2,573,244,920.64
  5. Step 5: Solve for x
    x = 2,573,244,920.64/73,317.69
  6. Step 6: Final answer
    x = 35,097.19

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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.