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Finding the Fourth Proportional to 165,045.70, 227,763.75 and 93,439.54

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Solution

The fourth proportional to 165,045.70, 227,763.75 and 93,439.54 is: 128,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,045.70 : 227,763.75 = 93,439.54 : x
  2. Step 2: Convert to fraction form
    165,045.70/227,763.75 = 93,439.54/x
  3. Step 3: Cross multiply
    165,045.70x = 227,763.75 × 93,439.54
  4. Step 4: Simplify right side
    165,045.70x = 21,282,140,028.68
  5. Step 5: Solve for x
    x = 21,282,140,028.68/165,045.70
  6. Step 6: Final answer
    x = 128,946.95

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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.