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Finding the Fourth Proportional to 203,285.88, 304,824.66 and 84,925.08

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Solution

The fourth proportional to 203,285.88, 304,824.66 and 84,925.08 is: 127,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,285.88 : 304,824.66 = 84,925.08 : x
  2. Step 2: Convert to fraction form
    203,285.88/304,824.66 = 84,925.08/x
  3. Step 3: Cross multiply
    203,285.88x = 304,824.66 × 84,925.08
  4. Step 4: Simplify right side
    203,285.88x = 25,887,258,636.47
  5. Step 5: Solve for x
    x = 25,887,258,636.47/203,285.88
  6. Step 6: Final answer
    x = 127,344.11

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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.