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Finding the Fourth Proportional to 118,657, 163,705.94 and 67,632.92

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Solution

The fourth proportional to 118,657, 163,705.94 and 67,632.92 is: 93,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,657 : 163,705.94 = 67,632.92 : x
  2. Step 2: Convert to fraction form
    118,657/163,705.94 = 67,632.92/x
  3. Step 3: Cross multiply
    118,657x = 163,705.94 × 67,632.92
  4. Step 4: Simplify right side
    118,657x = 11,071,910,743.54
  5. Step 5: Solve for x
    x = 11,071,910,743.54/118,657
  6. Step 6: Final answer
    x = 93,310.22

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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.