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Finding the Fourth Proportional to 253,001.76, 349,108.60 and 162,480.30

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Solution

The fourth proportional to 253,001.76, 349,108.60 and 162,480.30 is: 224,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,001.76 : 349,108.60 = 162,480.30 : x
  2. Step 2: Convert to fraction form
    253,001.76/349,108.60 = 162,480.30/x
  3. Step 3: Cross multiply
    253,001.76x = 349,108.60 × 162,480.30
  4. Step 4: Simplify right side
    253,001.76x = 56,723,270,060.58
  5. Step 5: Solve for x
    x = 56,723,270,060.58/253,001.76
  6. Step 6: Final answer
    x = 224,201.09

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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.