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Finding the Fourth Proportional to 171,653.50, 236,895.78 and 95,180.20

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Solution

The fourth proportional to 171,653.50, 236,895.78 and 95,180.20 is: 131,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,653.50 : 236,895.78 = 95,180.20 : x
  2. Step 2: Convert to fraction form
    171,653.50/236,895.78 = 95,180.20/x
  3. Step 3: Cross multiply
    171,653.50x = 236,895.78 × 95,180.20
  4. Step 4: Simplify right side
    171,653.50x = 22,547,787,719.56
  5. Step 5: Solve for x
    x = 22,547,787,719.56/171,653.50
  6. Step 6: Final answer
    x = 131,356.41

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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.