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Finding the Fourth Proportional to 88,070.60, 131,880.36 and 48,583.88

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Solution

The fourth proportional to 88,070.60, 131,880.36 and 48,583.88 is: 72,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,070.60 : 131,880.36 = 48,583.88 : x
  2. Step 2: Convert to fraction form
    88,070.60/131,880.36 = 48,583.88/x
  3. Step 3: Cross multiply
    88,070.60x = 131,880.36 × 48,583.88
  4. Step 4: Simplify right side
    88,070.60x = 6,407,259,584.60
  5. Step 5: Solve for x
    x = 6,407,259,584.60/88,070.60
  6. Step 6: Final answer
    x = 72,751.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.