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Finding the Fourth Proportional to 276,153.44, 414,143.44 and 118,339.68

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Solution

The fourth proportional to 276,153.44, 414,143.44 and 118,339.68 is: 177,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,153.44 : 414,143.44 = 118,339.68 : x
  2. Step 2: Convert to fraction form
    276,153.44/414,143.44 = 118,339.68/x
  3. Step 3: Cross multiply
    276,153.44x = 414,143.44 × 118,339.68
  4. Step 4: Simplify right side
    276,153.44x = 49,009,602,163.70
  5. Step 5: Solve for x
    x = 49,009,602,163.70/276,153.44
  6. Step 6: Final answer
    x = 177,472.36

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1.5x scale

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.