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Finding the Fourth Proportional to 170,474.84, 235,256.34 and 95,028.20

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Solution

The fourth proportional to 170,474.84, 235,256.34 and 95,028.20 is: 131,139.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,474.84 : 235,256.34 = 95,028.20 : x
  2. Step 2: Convert to fraction form
    170,474.84/235,256.34 = 95,028.20/x
  3. Step 3: Cross multiply
    170,474.84x = 235,256.34 × 95,028.20
  4. Step 4: Simplify right side
    170,474.84x = 22,355,986,528.79
  5. Step 5: Solve for x
    x = 22,355,986,528.79/170,474.84
  6. Step 6: Final answer
    x = 131,139.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.