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Finding the Fourth Proportional to 276,095.70, 414,143.55 and 118,340.10

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Solution

The fourth proportional to 276,095.70, 414,143.55 and 118,340.10 is: 177,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,095.70 : 414,143.55 = 118,340.10 : x
  2. Step 2: Convert to fraction form
    276,095.70/414,143.55 = 118,340.10/x
  3. Step 3: Cross multiply
    276,095.70x = 414,143.55 × 118,340.10
  4. Step 4: Simplify right side
    276,095.70x = 49,009,789,121.36
  5. Step 5: Solve for x
    x = 49,009,789,121.36/276,095.70
  6. Step 6: Final answer
    x = 177,510.15

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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.