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Finding the Fourth Proportional to 334,149.31, 501,107.25 and 134,417.89

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Solution

The fourth proportional to 334,149.31, 501,107.25 and 134,417.89 is: 201,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,149.31 : 501,107.25 = 134,417.89 : x
  2. Step 2: Convert to fraction form
    334,149.31/501,107.25 = 134,417.89/x
  3. Step 3: Cross multiply
    334,149.31x = 501,107.25 × 134,417.89
  4. Step 4: Simplify right side
    334,149.31x = 67,357,776,703.17
  5. Step 5: Solve for x
    x = 67,357,776,703.17/334,149.31
  6. Step 6: Final answer
    x = 201,579.88

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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.