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Finding the Fourth Proportional to 225,166.51, 337,748.90 and 90,290.88

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Solution

The fourth proportional to 225,166.51, 337,748.90 and 90,290.88 is: 135,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,166.51 : 337,748.90 = 90,290.88 : x
  2. Step 2: Convert to fraction form
    225,166.51/337,748.90 = 90,290.88/x
  3. Step 3: Cross multiply
    225,166.51x = 337,748.90 × 90,290.88
  4. Step 4: Simplify right side
    225,166.51x = 30,495,645,400.03
  5. Step 5: Solve for x
    x = 30,495,645,400.03/225,166.51
  6. Step 6: Final answer
    x = 135,435.97

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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.