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Finding the Fourth Proportional to 215,508.56, 297,111.94 and 150,890.88

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Solution

The fourth proportional to 215,508.56, 297,111.94 and 150,890.88 is: 208,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,508.56 : 297,111.94 = 150,890.88 : x
  2. Step 2: Convert to fraction form
    215,508.56/297,111.94 = 150,890.88/x
  3. Step 3: Cross multiply
    215,508.56x = 297,111.94 × 150,890.88
  4. Step 4: Simplify right side
    215,508.56x = 44,831,481,707.88
  5. Step 5: Solve for x
    x = 44,831,481,707.88/215,508.56
  6. Step 6: Final answer
    x = 208,026.45

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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.