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Finding the Fourth Proportional to 171,005.16, 235,986.54 and 95,553.66

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Solution

The fourth proportional to 171,005.16, 235,986.54 and 95,553.66 is: 131,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,005.16 : 235,986.54 = 95,553.66 : x
  2. Step 2: Convert to fraction form
    171,005.16/235,986.54 = 95,553.66/x
  3. Step 3: Cross multiply
    171,005.16x = 235,986.54 × 95,553.66
  4. Step 4: Simplify right side
    171,005.16x = 22,549,377,607.74
  5. Step 5: Solve for x
    x = 22,549,377,607.74/171,005.16
  6. Step 6: Final answer
    x = 131,863.73

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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.