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Finding the Fourth Proportional to 222,510.76, 333,766.15 and 147,776.87

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Solution

The fourth proportional to 222,510.76, 333,766.15 and 147,776.87 is: 221,665.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,510.76 : 333,766.15 = 147,776.87 : x
  2. Step 2: Convert to fraction form
    222,510.76/333,766.15 = 147,776.87/x
  3. Step 3: Cross multiply
    222,510.76x = 333,766.15 × 147,776.87
  4. Step 4: Simplify right side
    222,510.76x = 49,322,917,423.92
  5. Step 5: Solve for x
    x = 49,322,917,423.92/222,510.76
  6. Step 6: Final answer
    x = 221,665.32

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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.