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Finding the Fourth Proportional to 253,182.66, 379,657.10 and 93,218.42

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Solution

The fourth proportional to 253,182.66, 379,657.10 and 93,218.42 is: 139,784.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,182.66 : 379,657.10 = 93,218.42 : x
  2. Step 2: Convert to fraction form
    253,182.66/379,657.10 = 93,218.42/x
  3. Step 3: Cross multiply
    253,182.66x = 379,657.10 × 93,218.42
  4. Step 4: Simplify right side
    253,182.66x = 35,391,035,003.78
  5. Step 5: Solve for x
    x = 35,391,035,003.78/253,182.66
  6. Step 6: Final answer
    x = 139,784.59

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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.