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Finding the Fourth Proportional to 161,654.51, 242,488.44 and 61,822.01

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Solution

The fourth proportional to 161,654.51, 242,488.44 and 61,822.01 is: 92,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,654.51 : 242,488.44 = 61,822.01 : x
  2. Step 2: Convert to fraction form
    161,654.51/242,488.44 = 61,822.01/x
  3. Step 3: Cross multiply
    161,654.51x = 242,488.44 × 61,822.01
  4. Step 4: Simplify right side
    161,654.51x = 14,991,121,550.12
  5. Step 5: Solve for x
    x = 14,991,121,550.12/161,654.51
  6. Step 6: Final answer
    x = 92,735.56

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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.