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Finding the Fourth Proportional to 123,322.59, 170,192.84 and 69,588

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Solution

The fourth proportional to 123,322.59, 170,192.84 and 69,588 is: 96,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,322.59 : 170,192.84 = 69,588 : x
  2. Step 2: Convert to fraction form
    123,322.59/170,192.84 = 69,588/x
  3. Step 3: Cross multiply
    123,322.59x = 170,192.84 × 69,588
  4. Step 4: Simplify right side
    123,322.59x = 11,843,379,001.98
  5. Step 5: Solve for x
    x = 11,843,379,001.98/123,322.59
  6. Step 6: Final answer
    x = 96,035.76

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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.