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Finding the Fourth Proportional to 168,046.96, 252,056.58 and 55,690.48

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Solution

The fourth proportional to 168,046.96, 252,056.58 and 55,690.48 is: 83,531.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,046.96 : 252,056.58 = 55,690.48 : x
  2. Step 2: Convert to fraction form
    168,046.96/252,056.58 = 55,690.48/x
  3. Step 3: Cross multiply
    168,046.96x = 252,056.58 × 55,690.48
  4. Step 4: Simplify right side
    168,046.96x = 14,037,151,927.36
  5. Step 5: Solve for x
    x = 14,037,151,927.36/168,046.96
  6. Step 6: Final answer
    x = 83,531.13

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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.