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Finding the Fourth Proportional to 172,164.48, 237,493.40 and 109,958.91

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Solution

The fourth proportional to 172,164.48, 237,493.40 and 109,958.91 is: 151,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,164.48 : 237,493.40 = 109,958.91 : x
  2. Step 2: Convert to fraction form
    172,164.48/237,493.40 = 109,958.91/x
  3. Step 3: Cross multiply
    172,164.48x = 237,493.40 × 109,958.91
  4. Step 4: Simplify right side
    172,164.48x = 26,114,515,396.19
  5. Step 5: Solve for x
    x = 26,114,515,396.19/172,164.48
  6. Step 6: Final answer
    x = 151,683.53

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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.