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Finding the Fourth Proportional to 111,160.92, 166,621.80 and 48,010.76

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Solution

The fourth proportional to 111,160.92, 166,621.80 and 48,010.76 is: 71,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,160.92 : 166,621.80 = 48,010.76 : x
  2. Step 2: Convert to fraction form
    111,160.92/166,621.80 = 48,010.76/x
  3. Step 3: Cross multiply
    111,160.92x = 166,621.80 × 48,010.76
  4. Step 4: Simplify right side
    111,160.92x = 7,999,638,417.46
  5. Step 5: Solve for x
    x = 7,999,638,417.46/111,160.92
  6. Step 6: Final answer
    x = 71,964.49

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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.