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Finding the Fourth Proportional to 70,694.37, 97,525.71 and 62,636.27

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Solution

The fourth proportional to 70,694.37, 97,525.71 and 62,636.27 is: 86,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,694.37 : 97,525.71 = 62,636.27 : x
  2. Step 2: Convert to fraction form
    70,694.37/97,525.71 = 62,636.27/x
  3. Step 3: Cross multiply
    70,694.37x = 97,525.71 × 62,636.27
  4. Step 4: Simplify right side
    70,694.37x = 6,108,646,215.87
  5. Step 5: Solve for x
    x = 6,108,646,215.87/70,694.37
  6. Step 6: Final answer
    x = 86,409.23

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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.