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Finding the Fourth Proportional to 203,259.88, 304,840.81 and 84,867.04

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Solution

The fourth proportional to 203,259.88, 304,840.81 and 84,867.04 is: 127,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,259.88 : 304,840.81 = 84,867.04 : x
  2. Step 2: Convert to fraction form
    203,259.88/304,840.81 = 84,867.04/x
  3. Step 3: Cross multiply
    203,259.88x = 304,840.81 × 84,867.04
  4. Step 4: Simplify right side
    203,259.88x = 25,870,937,215.90
  5. Step 5: Solve for x
    x = 25,870,937,215.90/203,259.88
  6. Step 6: Final answer
    x = 127,280.10

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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.