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Finding the Fourth Proportional to 115,657.04, 159,608.52 and 67,911.44

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Solution

The fourth proportional to 115,657.04, 159,608.52 and 67,911.44 is: 93,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,657.04 : 159,608.52 = 67,911.44 : x
  2. Step 2: Convert to fraction form
    115,657.04/159,608.52 = 67,911.44/x
  3. Step 3: Cross multiply
    115,657.04x = 159,608.52 × 67,911.44
  4. Step 4: Simplify right side
    115,657.04x = 10,839,244,429.47
  5. Step 5: Solve for x
    x = 10,839,244,429.47/115,657.04
  6. Step 6: Final answer
    x = 93,718.85

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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.