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Finding the Fourth Proportional to 161,062.08, 241,626.32 and 61,203.68

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Solution

The fourth proportional to 161,062.08, 241,626.32 and 61,203.68 is: 91,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,062.08 : 241,626.32 = 61,203.68 : x
  2. Step 2: Convert to fraction form
    161,062.08/241,626.32 = 61,203.68/x
  3. Step 3: Cross multiply
    161,062.08x = 241,626.32 × 61,203.68
  4. Step 4: Simplify right side
    161,062.08x = 14,788,419,968.86
  5. Step 5: Solve for x
    x = 14,788,419,968.86/161,062.08
  6. Step 6: Final answer
    x = 91,818.14

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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.