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Finding the Fourth Proportional to 159,969.06, 220,737.69 and 101,805.74

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Solution

The fourth proportional to 159,969.06, 220,737.69 and 101,805.74 is: 140,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,969.06 : 220,737.69 = 101,805.74 : x
  2. Step 2: Convert to fraction form
    159,969.06/220,737.69 = 101,805.74/x
  3. Step 3: Cross multiply
    159,969.06x = 220,737.69 × 101,805.74
  4. Step 4: Simplify right side
    159,969.06x = 22,472,363,876.34
  5. Step 5: Solve for x
    x = 22,472,363,876.34/159,969.06
  6. Step 6: Final answer
    x = 140,479.44

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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.