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Finding the Fourth Proportional to 173,790.85, 239,707.69 and 159,496.84

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Solution

The fourth proportional to 173,790.85, 239,707.69 and 159,496.84 is: 219,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,790.85 : 239,707.69 = 159,496.84 : x
  2. Step 2: Convert to fraction form
    173,790.85/239,707.69 = 159,496.84/x
  3. Step 3: Cross multiply
    173,790.85x = 239,707.69 × 159,496.84
  4. Step 4: Simplify right side
    173,790.85x = 38,232,619,078.70
  5. Step 5: Solve for x
    x = 38,232,619,078.70/173,790.85
  6. Step 6: Final answer
    x = 219,992.13

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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.