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Finding the Fourth Proportional to 168,028.60, 252,092.10 and 49,703.10

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Solution

The fourth proportional to 168,028.60, 252,092.10 and 49,703.10 is: 74,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,028.60 : 252,092.10 = 49,703.10 : x
  2. Step 2: Convert to fraction form
    168,028.60/252,092.10 = 49,703.10/x
  3. Step 3: Cross multiply
    168,028.60x = 252,092.10 × 49,703.10
  4. Step 4: Simplify right side
    168,028.60x = 12,529,758,855.51
  5. Step 5: Solve for x
    x = 12,529,758,855.51/168,028.60
  6. Step 6: Final answer
    x = 74,569.20

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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.