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Finding the Fourth Proportional to 171,035.10, 256,552.65 and 52,742.70

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Solution

The fourth proportional to 171,035.10, 256,552.65 and 52,742.70 is: 79,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,035.10 : 256,552.65 = 52,742.70 : x
  2. Step 2: Convert to fraction form
    171,035.10/256,552.65 = 52,742.70/x
  3. Step 3: Cross multiply
    171,035.10x = 256,552.65 × 52,742.70
  4. Step 4: Simplify right side
    171,035.10x = 13,531,279,453.16
  5. Step 5: Solve for x
    x = 13,531,279,453.16/171,035.10
  6. Step 6: Final answer
    x = 79,114.05

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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.