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Finding the Fourth Proportional to 71,627.36, 98,766.08 and 48,970.04

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Solution

The fourth proportional to 71,627.36, 98,766.08 and 48,970.04 is: 67,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,627.36 : 98,766.08 = 48,970.04 : x
  2. Step 2: Convert to fraction form
    71,627.36/98,766.08 = 48,970.04/x
  3. Step 3: Cross multiply
    71,627.36x = 98,766.08 × 48,970.04
  4. Step 4: Simplify right side
    71,627.36x = 4,836,578,888.24
  5. Step 5: Solve for x
    x = 4,836,578,888.24/71,627.36
  6. Step 6: Final answer
    x = 67,524.18

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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.