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Finding the Fourth Proportional to 203,236.08, 304,869.90 and 61,070.26

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Solution

The fourth proportional to 203,236.08, 304,869.90 and 61,070.26 is: 91,610.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,236.08 : 304,869.90 = 61,070.26 : x
  2. Step 2: Convert to fraction form
    203,236.08/304,869.90 = 61,070.26/x
  3. Step 3: Cross multiply
    203,236.08x = 304,869.90 × 61,070.26
  4. Step 4: Simplify right side
    203,236.08x = 18,618,484,059.17
  5. Step 5: Solve for x
    x = 18,618,484,059.17/203,236.08
  6. Step 6: Final answer
    x = 91,610.13

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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.