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Finding the Fourth Proportional to 171,234.52, 236,369.89 and 153,298.39

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Solution

The fourth proportional to 171,234.52, 236,369.89 and 153,298.39 is: 211,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,234.52 : 236,369.89 = 153,298.39 : x
  2. Step 2: Convert to fraction form
    171,234.52/236,369.89 = 153,298.39/x
  3. Step 3: Cross multiply
    171,234.52x = 236,369.89 × 153,298.39
  4. Step 4: Simplify right side
    171,234.52x = 36,235,123,194.22
  5. Step 5: Solve for x
    x = 36,235,123,194.22/171,234.52
  6. Step 6: Final answer
    x = 211,611.08

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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.