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Finding the Fourth Proportional to 169,174.44, 233,443.76 and 101,177.78

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Solution

The fourth proportional to 169,174.44, 233,443.76 and 101,177.78 is: 139,615.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,174.44 : 233,443.76 = 101,177.78 : x
  2. Step 2: Convert to fraction form
    169,174.44/233,443.76 = 101,177.78/x
  3. Step 3: Cross multiply
    169,174.44x = 233,443.76 × 101,177.78
  4. Step 4: Simplify right side
    169,174.44x = 23,619,319,718.55
  5. Step 5: Solve for x
    x = 23,619,319,718.55/169,174.44
  6. Step 6: Final answer
    x = 139,615.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.