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Finding the Fourth Proportional to 168,607.68, 252,719.52 and 56,261.52

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Solution

The fourth proportional to 168,607.68, 252,719.52 and 56,261.52 is: 84,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,607.68 : 252,719.52 = 56,261.52 : x
  2. Step 2: Convert to fraction form
    168,607.68/252,719.52 = 56,261.52/x
  3. Step 3: Cross multiply
    168,607.68x = 252,719.52 × 56,261.52
  4. Step 4: Simplify right side
    168,607.68x = 14,218,384,328.87
  5. Step 5: Solve for x
    x = 14,218,384,328.87/168,607.68
  6. Step 6: Final answer
    x = 84,328.21

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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.