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Finding the Fourth Proportional to 184,458.48, 276,687.76 and 142,399.95

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Solution

The fourth proportional to 184,458.48, 276,687.76 and 142,399.95 is: 213,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,458.48 : 276,687.76 = 142,399.95 : x
  2. Step 2: Convert to fraction form
    184,458.48/276,687.76 = 142,399.95/x
  3. Step 3: Cross multiply
    184,458.48x = 276,687.76 × 142,399.95
  4. Step 4: Simplify right side
    184,458.48x = 39,400,323,189.61
  5. Step 5: Solve for x
    x = 39,400,323,189.61/184,458.48
  6. Step 6: Final answer
    x = 213,599.96

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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.