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Finding the Fourth Proportional to 123,099.60, 184,260.60 and 96,661.20

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Solution

The fourth proportional to 123,099.60, 184,260.60 and 96,661.20 is: 144,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,099.60 : 184,260.60 = 96,661.20 : x
  2. Step 2: Convert to fraction form
    123,099.60/184,260.60 = 96,661.20/x
  3. Step 3: Cross multiply
    123,099.60x = 184,260.60 × 96,661.20
  4. Step 4: Simplify right side
    123,099.60x = 17,810,850,708.72
  5. Step 5: Solve for x
    x = 17,810,850,708.72/123,099.60
  6. Step 6: Final answer
    x = 144,686.50

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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.