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Finding the Fourth Proportional to 335,135.80, 502,404.81 and 124,629.76

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Solution

The fourth proportional to 335,135.80, 502,404.81 and 124,629.76 is: 186,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,135.80 : 502,404.81 = 124,629.76 : x
  2. Step 2: Convert to fraction form
    335,135.80/502,404.81 = 124,629.76/x
  3. Step 3: Cross multiply
    335,135.80x = 502,404.81 × 124,629.76
  4. Step 4: Simplify right side
    335,135.80x = 62,614,590,893.15
  5. Step 5: Solve for x
    x = 62,614,590,893.15/335,135.80
  6. Step 6: Final answer
    x = 186,833.49

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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.