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Finding the Fourth Proportional to 101,927.60, 152,891.40 and 100,943.45

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Solution

The fourth proportional to 101,927.60, 152,891.40 and 100,943.45 is: 151,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,927.60 : 152,891.40 = 100,943.45 : x
  2. Step 2: Convert to fraction form
    101,927.60/152,891.40 = 100,943.45/x
  3. Step 3: Cross multiply
    101,927.60x = 152,891.40 × 100,943.45
  4. Step 4: Simplify right side
    101,927.60x = 15,433,385,391.33
  5. Step 5: Solve for x
    x = 15,433,385,391.33/101,927.60
  6. Step 6: Final answer
    x = 151,415.18

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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.