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Finding the Fourth Proportional to 161,473.47, 242,226.72 and 61,717.64

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Solution

The fourth proportional to 161,473.47, 242,226.72 and 61,717.64 is: 92,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,473.47 : 242,226.72 = 61,717.64 : x
  2. Step 2: Convert to fraction form
    161,473.47/242,226.72 = 61,717.64/x
  3. Step 3: Cross multiply
    161,473.47x = 242,226.72 × 61,717.64
  4. Step 4: Simplify right side
    161,473.47x = 14,949,660,292.21
  5. Step 5: Solve for x
    x = 14,949,660,292.21/161,473.47
  6. Step 6: Final answer
    x = 92,582.76

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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.