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Finding the Fourth Proportional to 159,750.72, 220,466.88 and 92,682.72

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Solution

The fourth proportional to 159,750.72, 220,466.88 and 92,682.72 is: 127,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,750.72 : 220,466.88 = 92,682.72 : x
  2. Step 2: Convert to fraction form
    159,750.72/220,466.88 = 92,682.72/x
  3. Step 3: Cross multiply
    159,750.72x = 220,466.88 × 92,682.72
  4. Step 4: Simplify right side
    159,750.72x = 20,433,470,108.31
  5. Step 5: Solve for x
    x = 20,433,470,108.31/159,750.72
  6. Step 6: Final answer
    x = 127,908.47

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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.