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Finding the Fourth Proportional to 276,577.97, 414,931.10 and 87,033.39

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Solution

The fourth proportional to 276,577.97, 414,931.10 and 87,033.39 is: 130,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,577.97 : 414,931.10 = 87,033.39 : x
  2. Step 2: Convert to fraction form
    276,577.97/414,931.10 = 87,033.39/x
  3. Step 3: Cross multiply
    276,577.97x = 414,931.10 × 87,033.39
  4. Step 4: Simplify right side
    276,577.97x = 36,112,859,814.26
  5. Step 5: Solve for x
    x = 36,112,859,814.26/276,577.97
  6. Step 6: Final answer
    x = 130,570.27

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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.