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Finding the Fourth Proportional to 161,231.67, 241,944.71 and 56,124.45

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Solution

The fourth proportional to 161,231.67, 241,944.71 and 56,124.45 is: 84,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,231.67 : 241,944.71 = 56,124.45 : x
  2. Step 2: Convert to fraction form
    161,231.67/241,944.71 = 56,124.45/x
  3. Step 3: Cross multiply
    161,231.67x = 241,944.71 × 56,124.45
  4. Step 4: Simplify right side
    161,231.67x = 13,579,013,498.54
  5. Step 5: Solve for x
    x = 13,579,013,498.54/161,231.67
  6. Step 6: Final answer
    x = 84,220.51

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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.