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Finding the Fourth Proportional to 169,665.50, 234,148.11 and 94,218.86

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Solution

The fourth proportional to 169,665.50, 234,148.11 and 94,218.86 is: 130,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,665.50 : 234,148.11 = 94,218.86 : x
  2. Step 2: Convert to fraction form
    169,665.50/234,148.11 = 94,218.86/x
  3. Step 3: Cross multiply
    169,665.50x = 234,148.11 × 94,218.86
  4. Step 4: Simplify right side
    169,665.50x = 22,061,167,995.35
  5. Step 5: Solve for x
    x = 22,061,167,995.35/169,665.50
  6. Step 6: Final answer
    x = 130,027.42

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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.