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Finding the Fourth Proportional to 201,660.84, 278,411.76 and 179,240.76

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Solution

The fourth proportional to 201,660.84, 278,411.76 and 179,240.76 is: 247,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,660.84 : 278,411.76 = 179,240.76 : x
  2. Step 2: Convert to fraction form
    201,660.84/278,411.76 = 179,240.76/x
  3. Step 3: Cross multiply
    201,660.84x = 278,411.76 × 179,240.76
  4. Step 4: Simplify right side
    201,660.84x = 49,902,735,455.34
  5. Step 5: Solve for x
    x = 49,902,735,455.34/201,660.84
  6. Step 6: Final answer
    x = 247,458.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.