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Finding the Fourth Proportional to 88,634.50, 122,316.39 and 48,348.44

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Solution

The fourth proportional to 88,634.50, 122,316.39 and 48,348.44 is: 66,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,634.50 : 122,316.39 = 48,348.44 : x
  2. Step 2: Convert to fraction form
    88,634.50/122,316.39 = 48,348.44/x
  3. Step 3: Cross multiply
    88,634.50x = 122,316.39 × 48,348.44
  4. Step 4: Simplify right side
    88,634.50x = 5,913,806,354.06
  5. Step 5: Solve for x
    x = 5,913,806,354.06/88,634.50
  6. Step 6: Final answer
    x = 66,721.27

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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.