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Finding the Fourth Proportional to 170,475.56, 255,535.92 and 95,485.76

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Solution

The fourth proportional to 170,475.56, 255,535.92 and 95,485.76 is: 143,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,475.56 : 255,535.92 = 95,485.76 : x
  2. Step 2: Convert to fraction form
    170,475.56/255,535.92 = 95,485.76/x
  3. Step 3: Cross multiply
    170,475.56x = 255,535.92 × 95,485.76
  4. Step 4: Simplify right side
    170,475.56x = 24,400,041,528.50
  5. Step 5: Solve for x
    x = 24,400,041,528.50/170,475.56
  6. Step 6: Final answer
    x = 143,129.26

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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.