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Finding the Fourth Proportional to 276,047.24, 414,070.98 and 86,522.37

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Solution

The fourth proportional to 276,047.24, 414,070.98 and 86,522.37 is: 129,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,047.24 : 414,070.98 = 86,522.37 : x
  2. Step 2: Convert to fraction form
    276,047.24/414,070.98 = 86,522.37/x
  3. Step 3: Cross multiply
    276,047.24x = 414,070.98 × 86,522.37
  4. Step 4: Simplify right side
    276,047.24x = 35,826,402,537.82
  5. Step 5: Solve for x
    x = 35,826,402,537.82/276,047.24
  6. Step 6: Final answer
    x = 129,783.59

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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.