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Finding the Fourth Proportional to 96,571.80, 144,857.70 and 94,931.55

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Solution

The fourth proportional to 96,571.80, 144,857.70 and 94,931.55 is: 142,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,571.80 : 144,857.70 = 94,931.55 : x
  2. Step 2: Convert to fraction form
    96,571.80/144,857.70 = 94,931.55/x
  3. Step 3: Cross multiply
    96,571.80x = 144,857.70 × 94,931.55
  4. Step 4: Simplify right side
    96,571.80x = 13,751,565,990.44
  5. Step 5: Solve for x
    x = 13,751,565,990.44/96,571.80
  6. Step 6: Final answer
    x = 142,397.33

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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.