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Finding the Fourth Proportional to 94,835.48, 142,260.48 and 28,270.52

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Solution

The fourth proportional to 94,835.48, 142,260.48 and 28,270.52 is: 42,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,835.48 : 142,260.48 = 28,270.52 : x
  2. Step 2: Convert to fraction form
    94,835.48/142,260.48 = 28,270.52/x
  3. Step 3: Cross multiply
    94,835.48x = 142,260.48 × 28,270.52
  4. Step 4: Simplify right side
    94,835.48x = 4,021,777,745.05
  5. Step 5: Solve for x
    x = 4,021,777,745.05/94,835.48
  6. Step 6: Final answer
    x = 42,407.94

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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.