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Finding the Fourth Proportional to 64,920.03, 97,390.81 and 22,789.18

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Solution

The fourth proportional to 64,920.03, 97,390.81 and 22,789.18 is: 34,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,920.03 : 97,390.81 = 22,789.18 : x
  2. Step 2: Convert to fraction form
    64,920.03/97,390.81 = 22,789.18/x
  3. Step 3: Cross multiply
    64,920.03x = 97,390.81 × 22,789.18
  4. Step 4: Simplify right side
    64,920.03x = 2,219,456,699.44
  5. Step 5: Solve for x
    x = 2,219,456,699.44/64,920.03
  6. Step 6: Final answer
    x = 34,187.55

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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.