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Finding the Fourth Proportional to 171,008.48, 235,990.80 and 95,556.32

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Solution

The fourth proportional to 171,008.48, 235,990.80 and 95,556.32 is: 131,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,008.48 : 235,990.80 = 95,556.32 : x
  2. Step 2: Convert to fraction form
    171,008.48/235,990.80 = 95,556.32/x
  3. Step 3: Cross multiply
    171,008.48x = 235,990.80 × 95,556.32
  4. Step 4: Simplify right side
    171,008.48x = 22,550,412,401.86
  5. Step 5: Solve for x
    x = 22,550,412,401.86/171,008.48
  6. Step 6: Final answer
    x = 131,867.22

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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.