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Finding the Fourth Proportional to 94,080.48, 129,831.48 and 51,639.36

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Solution

The fourth proportional to 94,080.48, 129,831.48 and 51,639.36 is: 71,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,080.48 : 129,831.48 = 51,639.36 : x
  2. Step 2: Convert to fraction form
    94,080.48/129,831.48 = 51,639.36/x
  3. Step 3: Cross multiply
    94,080.48x = 129,831.48 × 51,639.36
  4. Step 4: Simplify right side
    94,080.48x = 6,704,414,535.05
  5. Step 5: Solve for x
    x = 6,704,414,535.05/94,080.48
  6. Step 6: Final answer
    x = 71,262.55

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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.