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Finding the Fourth Proportional to 98,894.37, 148,345.65 and 28,773.68

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Solution

The fourth proportional to 98,894.37, 148,345.65 and 28,773.68 is: 43,161.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,894.37 : 148,345.65 = 28,773.68 : x
  2. Step 2: Convert to fraction form
    98,894.37/148,345.65 = 28,773.68/x
  3. Step 3: Cross multiply
    98,894.37x = 148,345.65 × 28,773.68
  4. Step 4: Simplify right side
    98,894.37x = 4,268,450,262.49
  5. Step 5: Solve for x
    x = 4,268,450,262.49/98,894.37
  6. Step 6: Final answer
    x = 43,161.71

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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.