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Finding the Fourth Proportional to 203,196.30, 304,814.52 and 70,059.06

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Solution

The fourth proportional to 203,196.30, 304,814.52 and 70,059.06 is: 105,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,196.30 : 304,814.52 = 70,059.06 : x
  2. Step 2: Convert to fraction form
    203,196.30/304,814.52 = 70,059.06/x
  3. Step 3: Cross multiply
    203,196.30x = 304,814.52 × 70,059.06
  4. Step 4: Simplify right side
    203,196.30x = 21,355,018,745.55
  5. Step 5: Solve for x
    x = 21,355,018,745.55/203,196.30
  6. Step 6: Final answer
    x = 105,095.51

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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.