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Finding the Fourth Proportional to 123,005.60, 184,551.60 and 52,906.40

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Solution

The fourth proportional to 123,005.60, 184,551.60 and 52,906.40 is: 79,378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,005.60 : 184,551.60 = 52,906.40 : x
  2. Step 2: Convert to fraction form
    123,005.60/184,551.60 = 52,906.40/x
  3. Step 3: Cross multiply
    123,005.60x = 184,551.60 × 52,906.40
  4. Step 4: Simplify right side
    123,005.60x = 9,763,960,770.24
  5. Step 5: Solve for x
    x = 9,763,960,770.24/123,005.60
  6. Step 6: Final answer
    x = 79,378.18

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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.