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Finding the Fourth Proportional to 203,235.83, 304,869.52 and 61,070.01

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Solution

The fourth proportional to 203,235.83, 304,869.52 and 61,070.01 is: 91,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,235.83 : 304,869.52 = 61,070.01 : x
  2. Step 2: Convert to fraction form
    203,235.83/304,869.52 = 61,070.01/x
  3. Step 3: Cross multiply
    203,235.83x = 304,869.52 × 61,070.01
  4. Step 4: Simplify right side
    203,235.83x = 18,618,384,635.10
  5. Step 5: Solve for x
    x = 18,618,384,635.10/203,235.83
  6. Step 6: Final answer
    x = 91,609.76

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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.