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Finding the Fourth Proportional to 161,468.60, 242,219.41 and 61,712.75

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Solution

The fourth proportional to 161,468.60, 242,219.41 and 61,712.75 is: 92,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,468.60 : 242,219.41 = 61,712.75 : x
  2. Step 2: Convert to fraction form
    161,468.60/242,219.41 = 61,712.75/x
  3. Step 3: Cross multiply
    161,468.60x = 242,219.41 × 61,712.75
  4. Step 4: Simplify right side
    161,468.60x = 14,948,026,345.74
  5. Step 5: Solve for x
    x = 14,948,026,345.74/161,468.60
  6. Step 6: Final answer
    x = 92,575.44

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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.