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Finding the Fourth Proportional to 164,758.70, 227,376.78 and 93,145.39

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Solution

The fourth proportional to 164,758.70, 227,376.78 and 93,145.39 is: 128,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,758.70 : 227,376.78 = 93,145.39 : x
  2. Step 2: Convert to fraction form
    164,758.70/227,376.78 = 93,145.39/x
  3. Step 3: Cross multiply
    164,758.70x = 227,376.78 × 93,145.39
  4. Step 4: Simplify right side
    164,758.70x = 21,179,098,850.04
  5. Step 5: Solve for x
    x = 21,179,098,850.04/164,758.70
  6. Step 6: Final answer
    x = 128,546.16

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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.