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Finding the Fourth Proportional to 88,363.38, 121,940.51 and 52,552.60

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Solution

The fourth proportional to 88,363.38, 121,940.51 and 52,552.60 is: 72,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,363.38 : 121,940.51 = 52,552.60 : x
  2. Step 2: Convert to fraction form
    88,363.38/121,940.51 = 52,552.60/x
  3. Step 3: Cross multiply
    88,363.38x = 121,940.51 × 52,552.60
  4. Step 4: Simplify right side
    88,363.38x = 6,408,290,977.21
  5. Step 5: Solve for x
    x = 6,408,290,977.21/88,363.38
  6. Step 6: Final answer
    x = 72,522.03

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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.