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Finding the Fourth Proportional to 70,977.44, 97,238.02 and 68,318.48

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Solution

The fourth proportional to 70,977.44, 97,238.02 and 68,318.48 is: 93,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,977.44 : 97,238.02 = 68,318.48 : x
  2. Step 2: Convert to fraction form
    70,977.44/97,238.02 = 68,318.48/x
  3. Step 3: Cross multiply
    70,977.44x = 97,238.02 × 68,318.48
  4. Step 4: Simplify right side
    70,977.44x = 6,643,153,724.61
  5. Step 5: Solve for x
    x = 6,643,153,724.61/70,977.44
  6. Step 6: Final answer
    x = 93,595.28

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.