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Finding the Fourth Proportional to 171,641.72, 236,879.53 and 95,184.77

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Solution

The fourth proportional to 171,641.72, 236,879.53 and 95,184.77 is: 131,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,641.72 : 236,879.53 = 95,184.77 : x
  2. Step 2: Convert to fraction form
    171,641.72/236,879.53 = 95,184.77/x
  3. Step 3: Cross multiply
    171,641.72x = 236,879.53 × 95,184.77
  4. Step 4: Simplify right side
    171,641.72x = 22,547,322,988.56
  5. Step 5: Solve for x
    x = 22,547,322,988.56/171,641.72
  6. Step 6: Final answer
    x = 131,362.72

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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.