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Finding the Fourth Proportional to 226,368.14, 339,699.64 and 86,127.98

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Solution

The fourth proportional to 226,368.14, 339,699.64 and 86,127.98 is: 129,248.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,368.14 : 339,699.64 = 86,127.98 : x
  2. Step 2: Convert to fraction form
    226,368.14/339,699.64 = 86,127.98/x
  3. Step 3: Cross multiply
    226,368.14x = 339,699.64 × 86,127.98
  4. Step 4: Simplify right side
    226,368.14x = 29,257,643,799.93
  5. Step 5: Solve for x
    x = 29,257,643,799.93/226,368.14
  6. Step 6: Final answer
    x = 129,248.06

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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.