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Finding the Fourth Proportional to 276,048.76, 414,026.16 and 89,060.26

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Solution

The fourth proportional to 276,048.76, 414,026.16 and 89,060.26 is: 133,575.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,048.76 : 414,026.16 = 89,060.26 : x
  2. Step 2: Convert to fraction form
    276,048.76/414,026.16 = 89,060.26/x
  3. Step 3: Cross multiply
    276,048.76x = 414,026.16 × 89,060.26
  4. Step 4: Simplify right side
    276,048.76x = 36,873,277,456.40
  5. Step 5: Solve for x
    x = 36,873,277,456.40/276,048.76
  6. Step 6: Final answer
    x = 133,575.23

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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.