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Finding the Fourth Proportional to 101,106.35, 151,659.53 and 99,551.15

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Solution

The fourth proportional to 101,106.35, 151,659.53 and 99,551.15 is: 149,326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,106.35 : 151,659.53 = 99,551.15 : x
  2. Step 2: Convert to fraction form
    101,106.35/151,659.53 = 99,551.15/x
  3. Step 3: Cross multiply
    101,106.35x = 151,659.53 × 99,551.15
  4. Step 4: Simplify right side
    101,106.35x = 15,097,880,122.20
  5. Step 5: Solve for x
    x = 15,097,880,122.20/101,106.35
  6. Step 6: Final answer
    x = 149,326.73

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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.