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Finding the Fourth Proportional to 104,954.64, 156,817.71 and 101,279.76

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Solution

The fourth proportional to 104,954.64, 156,817.71 and 101,279.76 is: 151,326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,954.64 : 156,817.71 = 101,279.76 : x
  2. Step 2: Convert to fraction form
    104,954.64/156,817.71 = 101,279.76/x
  3. Step 3: Cross multiply
    104,954.64x = 156,817.71 × 101,279.76
  4. Step 4: Simplify right side
    104,954.64x = 15,882,460,032.55
  5. Step 5: Solve for x
    x = 15,882,460,032.55/104,954.64
  6. Step 6: Final answer
    x = 151,326.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.