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Finding the Fourth Proportional to 203,109.09, 304,712.30 and 62,867.71

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Solution

The fourth proportional to 203,109.09, 304,712.30 and 62,867.71 is: 94,316.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,109.09 : 304,712.30 = 62,867.71 : x
  2. Step 2: Convert to fraction form
    203,109.09/304,712.30 = 62,867.71/x
  3. Step 3: Cross multiply
    203,109.09x = 304,712.30 × 62,867.71
  4. Step 4: Simplify right side
    203,109.09x = 19,156,564,509.83
  5. Step 5: Solve for x
    x = 19,156,564,509.83/203,109.09
  6. Step 6: Final answer
    x = 94,316.63

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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.