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Finding the Fourth Proportional to 169,373.34, 254,115.54 and 69,580.53

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Solution

The fourth proportional to 169,373.34, 254,115.54 and 69,580.53 is: 104,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,373.34 : 254,115.54 = 69,580.53 : x
  2. Step 2: Convert to fraction form
    169,373.34/254,115.54 = 69,580.53/x
  3. Step 3: Cross multiply
    169,373.34x = 254,115.54 × 69,580.53
  4. Step 4: Simplify right side
    169,373.34x = 17,681,493,954.44
  5. Step 5: Solve for x
    x = 17,681,493,954.44/169,373.34
  6. Step 6: Final answer
    x = 104,393.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.