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Finding the Fourth Proportional to 172,342.96, 237,672.80 and 111,848.96

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Solution

The fourth proportional to 172,342.96, 237,672.80 and 111,848.96 is: 154,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,342.96 : 237,672.80 = 111,848.96 : x
  2. Step 2: Convert to fraction form
    172,342.96/237,672.80 = 111,848.96/x
  3. Step 3: Cross multiply
    172,342.96x = 237,672.80 × 111,848.96
  4. Step 4: Simplify right side
    172,342.96x = 26,583,455,500.29
  5. Step 5: Solve for x
    x = 26,583,455,500.29/172,342.96
  6. Step 6: Final answer
    x = 154,247.41

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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.