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Finding the Fourth Proportional to 170,652.86, 255,969.72 and 52,323.87

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Solution

The fourth proportional to 170,652.86, 255,969.72 and 52,323.87 is: 78,482.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,652.86 : 255,969.72 = 52,323.87 : x
  2. Step 2: Convert to fraction form
    170,652.86/255,969.72 = 52,323.87/x
  3. Step 3: Cross multiply
    170,652.86x = 255,969.72 × 52,323.87
  4. Step 4: Simplify right side
    170,652.86x = 13,393,327,313.10
  5. Step 5: Solve for x
    x = 13,393,327,313.10/170,652.86
  6. Step 6: Final answer
    x = 78,482.88

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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.