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Finding the Fourth Proportional to 118,369.32, 177,578.82 and 34,129.32

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Solution

The fourth proportional to 118,369.32, 177,578.82 and 34,129.32 is: 51,201.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,369.32 : 177,578.82 = 34,129.32 : x
  2. Step 2: Convert to fraction form
    118,369.32/177,578.82 = 34,129.32/x
  3. Step 3: Cross multiply
    118,369.32x = 177,578.82 × 34,129.32
  4. Step 4: Simplify right side
    118,369.32x = 6,060,644,373.00
  5. Step 5: Solve for x
    x = 6,060,644,373.00/118,369.32
  6. Step 6: Final answer
    x = 51,201.14

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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.