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Finding the Fourth Proportional to 161,105.77, 241,699.70 and 113,813.29

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Solution

The fourth proportional to 161,105.77, 241,699.70 and 113,813.29 is: 170,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,105.77 : 241,699.70 = 113,813.29 : x
  2. Step 2: Convert to fraction form
    161,105.77/241,699.70 = 113,813.29/x
  3. Step 3: Cross multiply
    161,105.77x = 241,699.70 × 113,813.29
  4. Step 4: Simplify right side
    161,105.77x = 27,508,638,049.01
  5. Step 5: Solve for x
    x = 27,508,638,049.01/161,105.77
  6. Step 6: Final answer
    x = 170,748.93

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1.5x scale

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.