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Finding the Fourth Proportional to 161,660.60, 242,490.89 and 49,341.39

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Solution

The fourth proportional to 161,660.60, 242,490.89 and 49,341.39 is: 74,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,660.60 : 242,490.89 = 49,341.39 : x
  2. Step 2: Convert to fraction form
    161,660.60/242,490.89 = 49,341.39/x
  3. Step 3: Cross multiply
    161,660.60x = 242,490.89 × 49,341.39
  4. Step 4: Simplify right side
    161,660.60x = 11,964,837,328.23
  5. Step 5: Solve for x
    x = 11,964,837,328.23/161,660.60
  6. Step 6: Final answer
    x = 74,012.08

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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.