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Finding the Fourth Proportional to 67,803.48, 101,714.94 and 25,698.96

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Solution

The fourth proportional to 67,803.48, 101,714.94 and 25,698.96 is: 38,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,803.48 : 101,714.94 = 25,698.96 : x
  2. Step 2: Convert to fraction form
    67,803.48/101,714.94 = 25,698.96/x
  3. Step 3: Cross multiply
    67,803.48x = 101,714.94 × 25,698.96
  4. Step 4: Simplify right side
    67,803.48x = 2,613,968,174.46
  5. Step 5: Solve for x
    x = 2,613,968,174.46/67,803.48
  6. Step 6: Final answer
    x = 38,552.12

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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.