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Finding the Fourth Proportional to 247,286.79, 370,659.59 and 127,351.01

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Solution

The fourth proportional to 247,286.79, 370,659.59 and 127,351.01 is: 190,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,286.79 : 370,659.59 = 127,351.01 : x
  2. Step 2: Convert to fraction form
    247,286.79/370,659.59 = 127,351.01/x
  3. Step 3: Cross multiply
    247,286.79x = 370,659.59 × 127,351.01
  4. Step 4: Simplify right side
    247,286.79x = 47,203,870,662.63
  5. Step 5: Solve for x
    x = 47,203,870,662.63/247,286.79
  6. Step 6: Final answer
    x = 190,887.15

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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.