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Finding the Fourth Proportional to 118,194.50, 163,108.42 and 67,893.50

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Solution

The fourth proportional to 118,194.50, 163,108.42 and 67,893.50 is: 93,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,194.50 : 163,108.42 = 67,893.50 : x
  2. Step 2: Convert to fraction form
    118,194.50/163,108.42 = 67,893.50/x
  3. Step 3: Cross multiply
    118,194.50x = 163,108.42 × 67,893.50
  4. Step 4: Simplify right side
    118,194.50x = 11,074,001,513.27
  5. Step 5: Solve for x
    x = 11,074,001,513.27/118,194.50
  6. Step 6: Final answer
    x = 93,693.04

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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.