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Finding the Fourth Proportional to 272,552.78, 408,897.21 and 95,062.34

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Solution

The fourth proportional to 272,552.78, 408,897.21 and 95,062.34 is: 142,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,552.78 : 408,897.21 = 95,062.34 : x
  2. Step 2: Convert to fraction form
    272,552.78/408,897.21 = 95,062.34/x
  3. Step 3: Cross multiply
    272,552.78x = 408,897.21 × 95,062.34
  4. Step 4: Simplify right side
    272,552.78x = 38,870,725,602.07
  5. Step 5: Solve for x
    x = 38,870,725,602.07/272,552.78
  6. Step 6: Final answer
    x = 142,617.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.