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Finding the Fourth Proportional to 73,462.40, 101,269.70 and 57,311.54

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Solution

The fourth proportional to 73,462.40, 101,269.70 and 57,311.54 is: 79,005.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,462.40 : 101,269.70 = 57,311.54 : x
  2. Step 2: Convert to fraction form
    73,462.40/101,269.70 = 57,311.54/x
  3. Step 3: Cross multiply
    73,462.40x = 101,269.70 × 57,311.54
  4. Step 4: Simplify right side
    73,462.40x = 5,803,921,884.35
  5. Step 5: Solve for x
    x = 5,803,921,884.35/73,462.40
  6. Step 6: Final answer
    x = 79,005.35

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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.