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Finding the Fourth Proportional to 173,309.53, 239,126.16 and 100,669.27

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Solution

The fourth proportional to 173,309.53, 239,126.16 and 100,669.27 is: 138,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,309.53 : 239,126.16 = 100,669.27 : x
  2. Step 2: Convert to fraction form
    173,309.53/239,126.16 = 100,669.27/x
  3. Step 3: Cross multiply
    173,309.53x = 239,126.16 × 100,669.27
  4. Step 4: Simplify right side
    173,309.53x = 24,072,656,075.26
  5. Step 5: Solve for x
    x = 24,072,656,075.26/173,309.53
  6. Step 6: Final answer
    x = 138,899.78

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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.