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Finding the Fourth Proportional to 123,261.60, 184,503.60 and 88,269.60

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Solution

The fourth proportional to 123,261.60, 184,503.60 and 88,269.60 is: 132,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,261.60 : 184,503.60 = 88,269.60 : x
  2. Step 2: Convert to fraction form
    123,261.60/184,503.60 = 88,269.60/x
  3. Step 3: Cross multiply
    123,261.60x = 184,503.60 × 88,269.60
  4. Step 4: Simplify right side
    123,261.60x = 16,286,058,970.56
  5. Step 5: Solve for x
    x = 16,286,058,970.56/123,261.60
  6. Step 6: Final answer
    x = 132,125.97

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1.5x scale

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.