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Finding the Fourth Proportional to 203,018.94, 304,557.57 and 62,788.50

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Solution

The fourth proportional to 203,018.94, 304,557.57 and 62,788.50 is: 94,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,018.94 : 304,557.57 = 62,788.50 : x
  2. Step 2: Convert to fraction form
    203,018.94/304,557.57 = 62,788.50/x
  3. Step 3: Cross multiply
    203,018.94x = 304,557.57 × 62,788.50
  4. Step 4: Simplify right side
    203,018.94x = 19,122,712,983.95
  5. Step 5: Solve for x
    x = 19,122,712,983.95/203,018.94
  6. Step 6: Final answer
    x = 94,191.77

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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.