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Finding the Fourth Proportional to 118,832.76, 163,993.73 and 67,853.79

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Solution

The fourth proportional to 118,832.76, 163,993.73 and 67,853.79 is: 93,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,832.76 : 163,993.73 = 67,853.79 : x
  2. Step 2: Convert to fraction form
    118,832.76/163,993.73 = 67,853.79/x
  3. Step 3: Cross multiply
    118,832.76x = 163,993.73 × 67,853.79
  4. Step 4: Simplify right side
    118,832.76x = 11,127,596,116.74
  5. Step 5: Solve for x
    x = 11,127,596,116.74/118,832.76
  6. Step 6: Final answer
    x = 93,640.81

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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.