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Finding the Fourth Proportional to 229,345.83, 316,543.82 and 132,553.80

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Solution

The fourth proportional to 229,345.83, 316,543.82 and 132,553.80 is: 182,951.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,345.83 : 316,543.82 = 132,553.80 : x
  2. Step 2: Convert to fraction form
    229,345.83/316,543.82 = 132,553.80/x
  3. Step 3: Cross multiply
    229,345.83x = 316,543.82 × 132,553.80
  4. Step 4: Simplify right side
    229,345.83x = 41,959,085,544.75
  5. Step 5: Solve for x
    x = 41,959,085,544.75/229,345.83
  6. Step 6: Final answer
    x = 182,951.16

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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.