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Finding the Fourth Proportional to 172,066.72, 236,902.80 and 146,814.88

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Solution

The fourth proportional to 172,066.72, 236,902.80 and 146,814.88 is: 202,135.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,066.72 : 236,902.80 = 146,814.88 : x
  2. Step 2: Convert to fraction form
    172,066.72/236,902.80 = 146,814.88/x
  3. Step 3: Cross multiply
    172,066.72x = 236,902.80 × 146,814.88
  4. Step 4: Simplify right side
    172,066.72x = 34,780,856,153.66
  5. Step 5: Solve for x
    x = 34,780,856,153.66/172,066.72
  6. Step 6: Final answer
    x = 202,135.87

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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.