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Finding the Fourth Proportional to 94,839.48, 142,266.48 and 28,274.52

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Solution

The fourth proportional to 94,839.48, 142,266.48 and 28,274.52 is: 42,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,839.48 : 142,266.48 = 28,274.52 : x
  2. Step 2: Convert to fraction form
    94,839.48/142,266.48 = 28,274.52/x
  3. Step 3: Cross multiply
    94,839.48x = 142,266.48 × 28,274.52
  4. Step 4: Simplify right side
    94,839.48x = 4,022,516,434.09
  5. Step 5: Solve for x
    x = 4,022,516,434.09/94,839.48
  6. Step 6: Final answer
    x = 42,413.94

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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.