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Finding the Fourth Proportional to 464,081.30, 696,122.50 and 127,124.86

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Solution

The fourth proportional to 464,081.30, 696,122.50 and 127,124.86 is: 190,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,081.30 : 696,122.50 = 127,124.86 : x
  2. Step 2: Convert to fraction form
    464,081.30/696,122.50 = 127,124.86/x
  3. Step 3: Cross multiply
    464,081.30x = 696,122.50 × 127,124.86
  4. Step 4: Simplify right side
    464,081.30x = 88,494,475,355.35
  5. Step 5: Solve for x
    x = 88,494,475,355.35/464,081.30
  6. Step 6: Final answer
    x = 190,687.44

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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.