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Finding the Fourth Proportional to 94,080.60, 129,831.12 and 51,639.48

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Solution

The fourth proportional to 94,080.60, 129,831.12 and 51,639.48 is: 71,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,080.60 : 129,831.12 = 51,639.48 : x
  2. Step 2: Convert to fraction form
    94,080.60/129,831.12 = 51,639.48/x
  3. Step 3: Cross multiply
    94,080.60x = 129,831.12 × 51,639.48
  4. Step 4: Simplify right side
    94,080.60x = 6,704,411,524.62
  5. Step 5: Solve for x
    x = 6,704,411,524.62/94,080.60
  6. Step 6: Final answer
    x = 71,262.42

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1.5x scale

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.