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Finding the Fourth Proportional to 101,172.70, 151,759.05 and 48,555.10

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Solution

The fourth proportional to 101,172.70, 151,759.05 and 48,555.10 is: 72,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,172.70 : 151,759.05 = 48,555.10 : x
  2. Step 2: Convert to fraction form
    101,172.70/151,759.05 = 48,555.10/x
  3. Step 3: Cross multiply
    101,172.70x = 151,759.05 × 48,555.10
  4. Step 4: Simplify right side
    101,172.70x = 7,368,675,848.66
  5. Step 5: Solve for x
    x = 7,368,675,848.66/101,172.70
  6. Step 6: Final answer
    x = 72,832.65

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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.