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Finding the Fourth Proportional to 170,881.55, 256,346.84 and 52,562.87

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Solution

The fourth proportional to 170,881.55, 256,346.84 and 52,562.87 is: 78,851.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,881.55 : 256,346.84 = 52,562.87 : x
  2. Step 2: Convert to fraction form
    170,881.55/256,346.84 = 52,562.87/x
  3. Step 3: Cross multiply
    170,881.55x = 256,346.84 × 52,562.87
  4. Step 4: Simplify right side
    170,881.55x = 13,474,325,363.02
  5. Step 5: Solve for x
    x = 13,474,325,363.02/170,881.55
  6. Step 6: Final answer
    x = 78,851.84

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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.