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Finding the Fourth Proportional to 90,260.01, 135,411.65 and 27,930.51

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Solution

The fourth proportional to 90,260.01, 135,411.65 and 27,930.51 is: 41,902.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,260.01 : 135,411.65 = 27,930.51 : x
  2. Step 2: Convert to fraction form
    90,260.01/135,411.65 = 27,930.51/x
  3. Step 3: Cross multiply
    90,260.01x = 135,411.65 × 27,930.51
  4. Step 4: Simplify right side
    90,260.01x = 3,782,116,304.79
  5. Step 5: Solve for x
    x = 3,782,116,304.79/90,260.01
  6. Step 6: Final answer
    x = 41,902.46

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1.5x scale

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.