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Finding the Fourth Proportional to 277,601.60, 416,340.06 and 127,697.90

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Solution

The fourth proportional to 277,601.60, 416,340.06 and 127,697.90 is: 191,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,601.60 : 416,340.06 = 127,697.90 : x
  2. Step 2: Convert to fraction form
    277,601.60/416,340.06 = 127,697.90/x
  3. Step 3: Cross multiply
    277,601.60x = 416,340.06 × 127,697.90
  4. Step 4: Simplify right side
    277,601.60x = 53,165,751,347.87
  5. Step 5: Solve for x
    x = 53,165,751,347.87/277,601.60
  6. Step 6: Final answer
    x = 191,518.17

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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.