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Finding the Fourth Proportional to 70,686.87, 97,552.49 and 43,847.21

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Solution

The fourth proportional to 70,686.87, 97,552.49 and 43,847.21 is: 60,512.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,686.87 : 97,552.49 = 43,847.21 : x
  2. Step 2: Convert to fraction form
    70,686.87/97,552.49 = 43,847.21/x
  3. Step 3: Cross multiply
    70,686.87x = 97,552.49 × 43,847.21
  4. Step 4: Simplify right side
    70,686.87x = 4,277,403,808.05
  5. Step 5: Solve for x
    x = 4,277,403,808.05/70,686.87
  6. Step 6: Final answer
    x = 60,512.00

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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.