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Finding the Fourth Proportional to 181,749.68, 272,603.66 and 48,640.32

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Solution

The fourth proportional to 181,749.68, 272,603.66 and 48,640.32 is: 72,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,749.68 : 272,603.66 = 48,640.32 : x
  2. Step 2: Convert to fraction form
    181,749.68/272,603.66 = 48,640.32/x
  3. Step 3: Cross multiply
    181,749.68x = 272,603.66 × 48,640.32
  4. Step 4: Simplify right side
    181,749.68x = 13,259,529,717.93
  5. Step 5: Solve for x
    x = 13,259,529,717.93/181,749.68
  6. Step 6: Final answer
    x = 72,954.90

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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.