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Finding the Fourth Proportional to 94,889.91, 142,329.99 and 28,330.59

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Solution

The fourth proportional to 94,889.91, 142,329.99 and 28,330.59 is: 42,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,889.91 : 142,329.99 = 28,330.59 : x
  2. Step 2: Convert to fraction form
    94,889.91/142,329.99 = 28,330.59/x
  3. Step 3: Cross multiply
    94,889.91x = 142,329.99 × 28,330.59
  4. Step 4: Simplify right side
    94,889.91x = 4,032,292,591.39
  5. Step 5: Solve for x
    x = 4,032,292,591.39/94,889.91
  6. Step 6: Final answer
    x = 42,494.43

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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.