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Finding the Fourth Proportional to 339,862.98, 509,849.52 and 112,090.56

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Solution

The fourth proportional to 339,862.98, 509,849.52 and 112,090.56 is: 168,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,862.98 : 509,849.52 = 112,090.56 : x
  2. Step 2: Convert to fraction form
    339,862.98/509,849.52 = 112,090.56/x
  3. Step 3: Cross multiply
    339,862.98x = 509,849.52 × 112,090.56
  4. Step 4: Simplify right side
    339,862.98x = 57,149,318,212.53
  5. Step 5: Solve for x
    x = 57,149,318,212.53/339,862.98
  6. Step 6: Final answer
    x = 168,154.00

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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.