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Finding the Fourth Proportional to 170,603, 235,432.14 and 95,151.56

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Solution

The fourth proportional to 170,603, 235,432.14 and 95,151.56 is: 131,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,603 : 235,432.14 = 95,151.56 : x
  2. Step 2: Convert to fraction form
    170,603/235,432.14 = 95,151.56/x
  3. Step 3: Cross multiply
    170,603x = 235,432.14 × 95,151.56
  4. Step 4: Simplify right side
    170,603x = 22,401,735,395.14
  5. Step 5: Solve for x
    x = 22,401,735,395.14/170,603
  6. Step 6: Final answer
    x = 131,309.15

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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.