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Finding the Fourth Proportional to 252,703.48, 379,053.66 and 63,162.90

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Solution

The fourth proportional to 252,703.48, 379,053.66 and 63,162.90 is: 94,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,703.48 : 379,053.66 = 63,162.90 : x
  2. Step 2: Convert to fraction form
    252,703.48/379,053.66 = 63,162.90/x
  3. Step 3: Cross multiply
    252,703.48x = 379,053.66 × 63,162.90
  4. Step 4: Simplify right side
    252,703.48x = 23,942,128,421.21
  5. Step 5: Solve for x
    x = 23,942,128,421.21/252,703.48
  6. Step 6: Final answer
    x = 94,743.96

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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.