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Finding the Fourth Proportional to 73,258.70, 101,092.12 and 40,987.73

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Solution

The fourth proportional to 73,258.70, 101,092.12 and 40,987.73 is: 56,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,258.70 : 101,092.12 = 40,987.73 : x
  2. Step 2: Convert to fraction form
    73,258.70/101,092.12 = 40,987.73/x
  3. Step 3: Cross multiply
    73,258.70x = 101,092.12 × 40,987.73
  4. Step 4: Simplify right side
    73,258.70x = 4,143,535,911.76
  5. Step 5: Solve for x
    x = 4,143,535,911.76/73,258.70
  6. Step 6: Final answer
    x = 56,560.32

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1.5x scale

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.