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Finding the Fourth Proportional to 161,475.56, 242,214.56 and 61,608.91

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Solution

The fourth proportional to 161,475.56, 242,214.56 and 61,608.91 is: 92,413.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,475.56 : 242,214.56 = 61,608.91 : x
  2. Step 2: Convert to fraction form
    161,475.56/242,214.56 = 61,608.91/x
  3. Step 3: Cross multiply
    161,475.56x = 242,214.56 × 61,608.91
  4. Step 4: Simplify right side
    161,475.56x = 14,922,573,508.61
  5. Step 5: Solve for x
    x = 14,922,573,508.61/161,475.56
  6. Step 6: Final answer
    x = 92,413.82

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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.