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Finding the Fourth Proportional to 94,083.88, 129,831.14 and 51,641.64

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Solution

The fourth proportional to 94,083.88, 129,831.14 and 51,641.64 is: 71,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,083.88 : 129,831.14 = 51,641.64 : x
  2. Step 2: Convert to fraction form
    94,083.88/129,831.14 = 51,641.64/x
  3. Step 3: Cross multiply
    94,083.88x = 129,831.14 × 51,641.64
  4. Step 4: Simplify right side
    94,083.88x = 6,704,692,992.67
  5. Step 5: Solve for x
    x = 6,704,692,992.67/94,083.88
  6. Step 6: Final answer
    x = 71,262.93

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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.