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Finding the Fourth Proportional to 101,279.02, 151,921.02 and 34,718.74

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Solution

The fourth proportional to 101,279.02, 151,921.02 and 34,718.74 is: 52,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,279.02 : 151,921.02 = 34,718.74 : x
  2. Step 2: Convert to fraction form
    101,279.02/151,921.02 = 34,718.74/x
  3. Step 3: Cross multiply
    101,279.02x = 151,921.02 × 34,718.74
  4. Step 4: Simplify right side
    101,279.02x = 5,274,506,393.91
  5. Step 5: Solve for x
    x = 5,274,506,393.91/101,279.02
  6. Step 6: Final answer
    x = 52,078.96

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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.