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Finding the Fourth Proportional to 88,657.88, 122,363.70 and 52,850.20

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Solution

The fourth proportional to 88,657.88, 122,363.70 and 52,850.20 is: 72,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,657.88 : 122,363.70 = 52,850.20 : x
  2. Step 2: Convert to fraction form
    88,657.88/122,363.70 = 52,850.20/x
  3. Step 3: Cross multiply
    88,657.88x = 122,363.70 × 52,850.20
  4. Step 4: Simplify right side
    88,657.88x = 6,466,946,017.74
  5. Step 5: Solve for x
    x = 6,466,946,017.74/88,657.88
  6. Step 6: Final answer
    x = 72,942.71

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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.