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Finding the Fourth Proportional to 94,716.40, 142,151.40 and 91,644.40

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Solution

The fourth proportional to 94,716.40, 142,151.40 and 91,644.40 is: 137,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,716.40 : 142,151.40 = 91,644.40 : x
  2. Step 2: Convert to fraction form
    94,716.40/142,151.40 = 91,644.40/x
  3. Step 3: Cross multiply
    94,716.40x = 142,151.40 × 91,644.40
  4. Step 4: Simplify right side
    94,716.40x = 13,027,379,762.16
  5. Step 5: Solve for x
    x = 13,027,379,762.16/94,716.40
  6. Step 6: Final answer
    x = 137,540.91

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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.