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Finding the Fourth Proportional to 203,263.32, 304,845.96 and 84,870.48

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Solution

The fourth proportional to 203,263.32, 304,845.96 and 84,870.48 is: 127,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,263.32 : 304,845.96 = 84,870.48 : x
  2. Step 2: Convert to fraction form
    203,263.32/304,845.96 = 84,870.48/x
  3. Step 3: Cross multiply
    203,263.32x = 304,845.96 × 84,870.48
  4. Step 4: Simplify right side
    203,263.32x = 25,872,422,951.26
  5. Step 5: Solve for x
    x = 25,872,422,951.26/203,263.32
  6. Step 6: Final answer
    x = 127,285.25

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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.