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Finding the Fourth Proportional to 71,925.30, 107,900.91 and 22,004.46

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Solution

The fourth proportional to 71,925.30, 107,900.91 and 22,004.46 is: 33,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,925.30 : 107,900.91 = 22,004.46 : x
  2. Step 2: Convert to fraction form
    71,925.30/107,900.91 = 22,004.46/x
  3. Step 3: Cross multiply
    71,925.30x = 107,900.91 × 22,004.46
  4. Step 4: Simplify right side
    71,925.30x = 2,374,301,258.06
  5. Step 5: Solve for x
    x = 2,374,301,258.06/71,925.30
  6. Step 6: Final answer
    x = 33,010.65

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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.