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Finding the Fourth Proportional to 202,956.90, 304,435.35 and 62,715.30

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Solution

The fourth proportional to 202,956.90, 304,435.35 and 62,715.30 is: 94,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,956.90 : 304,435.35 = 62,715.30 : x
  2. Step 2: Convert to fraction form
    202,956.90/304,435.35 = 62,715.30/x
  3. Step 3: Cross multiply
    202,956.90x = 304,435.35 × 62,715.30
  4. Step 4: Simplify right side
    202,956.90x = 19,092,754,305.86
  5. Step 5: Solve for x
    x = 19,092,754,305.86/202,956.90
  6. Step 6: Final answer
    x = 94,072.95

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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.