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Finding the Fourth Proportional to 161,473.60, 242,226.90 and 61,717.76

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Solution

The fourth proportional to 161,473.60, 242,226.90 and 61,717.76 is: 92,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,473.60 : 242,226.90 = 61,717.76 : x
  2. Step 2: Convert to fraction form
    161,473.60/242,226.90 = 61,717.76/x
  3. Step 3: Cross multiply
    161,473.60x = 242,226.90 × 61,717.76
  4. Step 4: Simplify right side
    161,473.60x = 14,949,701,679.74
  5. Step 5: Solve for x
    x = 14,949,701,679.74/161,473.60
  6. Step 6: Final answer
    x = 92,582.95

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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.