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Finding the Fourth Proportional to 101,325.76, 151,988.60 and 27,453.76

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Solution

The fourth proportional to 101,325.76, 151,988.60 and 27,453.76 is: 41,180.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,325.76 : 151,988.60 = 27,453.76 : x
  2. Step 2: Convert to fraction form
    101,325.76/151,988.60 = 27,453.76/x
  3. Step 3: Cross multiply
    101,325.76x = 151,988.60 × 27,453.76
  4. Step 4: Simplify right side
    101,325.76x = 4,172,658,547.14
  5. Step 5: Solve for x
    x = 4,172,658,547.14/101,325.76
  6. Step 6: Final answer
    x = 41,180.63

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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.