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Finding the Fourth Proportional to 173,789.85, 239,706.31 and 159,495.84

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Solution

The fourth proportional to 173,789.85, 239,706.31 and 159,495.84 is: 219,990.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,789.85 : 239,706.31 = 159,495.84 : x
  2. Step 2: Convert to fraction form
    173,789.85/239,706.31 = 159,495.84/x
  3. Step 3: Cross multiply
    173,789.85x = 239,706.31 × 159,495.84
  4. Step 4: Simplify right side
    173,789.85x = 38,232,159,866.02
  5. Step 5: Solve for x
    x = 38,232,159,866.02/173,789.85
  6. Step 6: Final answer
    x = 219,990.76

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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.