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Finding the Fourth Proportional to 161,155.93, 241,650.86 and 72,333.32

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Solution

The fourth proportional to 161,155.93, 241,650.86 and 72,333.32 is: 108,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,155.93 : 241,650.86 = 72,333.32 : x
  2. Step 2: Convert to fraction form
    161,155.93/241,650.86 = 72,333.32/x
  3. Step 3: Cross multiply
    161,155.93x = 241,650.86 × 72,333.32
  4. Step 4: Simplify right side
    161,155.93x = 17,479,407,856.27
  5. Step 5: Solve for x
    x = 17,479,407,856.27/161,155.93
  6. Step 6: Final answer
    x = 108,462.70

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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.