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Finding the Fourth Proportional to 70,472.46, 97,270.29 and 43,599.36

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Solution

The fourth proportional to 70,472.46, 97,270.29 and 43,599.36 is: 60,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,472.46 : 97,270.29 = 43,599.36 : x
  2. Step 2: Convert to fraction form
    70,472.46/97,270.29 = 43,599.36/x
  3. Step 3: Cross multiply
    70,472.46x = 97,270.29 × 43,599.36
  4. Step 4: Simplify right side
    70,472.46x = 4,240,922,391.01
  5. Step 5: Solve for x
    x = 4,240,922,391.01/70,472.46
  6. Step 6: Final answer
    x = 60,178.44

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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.