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Finding the Fourth Proportional to 161,689.76, 242,523.34 and 60,468.54

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Solution

The fourth proportional to 161,689.76, 242,523.34 and 60,468.54 is: 90,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,689.76 : 242,523.34 = 60,468.54 : x
  2. Step 2: Convert to fraction form
    161,689.76/242,523.34 = 60,468.54/x
  3. Step 3: Cross multiply
    161,689.76x = 242,523.34 × 60,468.54
  4. Step 4: Simplify right side
    161,689.76x = 14,665,032,285.72
  5. Step 5: Solve for x
    x = 14,665,032,285.72/161,689.76
  6. Step 6: Final answer
    x = 90,698.58

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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.