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Finding the Fourth Proportional to 79,203.44, 118,831.69 and 25,897.88

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Solution

The fourth proportional to 79,203.44, 118,831.69 and 25,897.88 is: 38,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,203.44 : 118,831.69 = 25,897.88 : x
  2. Step 2: Convert to fraction form
    79,203.44/118,831.69 = 25,897.88/x
  3. Step 3: Cross multiply
    79,203.44x = 118,831.69 × 25,897.88
  4. Step 4: Simplify right side
    79,203.44x = 3,077,489,079.66
  5. Step 5: Solve for x
    x = 3,077,489,079.66/79,203.44
  6. Step 6: Final answer
    x = 38,855.50

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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.