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Finding the Fourth Proportional to 227,047.68, 313,312.05 and 131,537.88

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Solution

The fourth proportional to 227,047.68, 313,312.05 and 131,537.88 is: 181,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,047.68 : 313,312.05 = 131,537.88 : x
  2. Step 2: Convert to fraction form
    227,047.68/313,312.05 = 131,537.88/x
  3. Step 3: Cross multiply
    227,047.68x = 313,312.05 × 131,537.88
  4. Step 4: Simplify right side
    227,047.68x = 41,212,402,835.45
  5. Step 5: Solve for x
    x = 41,212,402,835.45/227,047.68
  6. Step 6: Final answer
    x = 181,514.31

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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.