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Finding the Fourth Proportional to 464,092.05, 696,138.63 and 127,135.61

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Solution

The fourth proportional to 464,092.05, 696,138.63 and 127,135.61 is: 190,703.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,092.05 : 696,138.63 = 127,135.61 : x
  2. Step 2: Convert to fraction form
    464,092.05/696,138.63 = 127,135.61/x
  3. Step 3: Cross multiply
    464,092.05x = 696,138.63 × 127,135.61
  4. Step 4: Simplify right side
    464,092.05x = 88,504,005,888.92
  5. Step 5: Solve for x
    x = 88,504,005,888.92/464,092.05
  6. Step 6: Final answer
    x = 190,703.56

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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.