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Finding the Fourth Proportional to 73,258.59, 101,109.80 and 43,043.91

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Solution

The fourth proportional to 73,258.59, 101,109.80 and 43,043.91 is: 59,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,258.59 : 101,109.80 = 43,043.91 : x
  2. Step 2: Convert to fraction form
    73,258.59/101,109.80 = 43,043.91/x
  3. Step 3: Cross multiply
    73,258.59x = 101,109.80 × 43,043.91
  4. Step 4: Simplify right side
    73,258.59x = 4,352,160,859.77
  5. Step 5: Solve for x
    x = 4,352,160,859.77/73,258.59
  6. Step 6: Final answer
    x = 59,408.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.