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Finding the Fourth Proportional to 123,025.80, 184,538.70 and 93,282.60

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Solution

The fourth proportional to 123,025.80, 184,538.70 and 93,282.60 is: 139,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,025.80 : 184,538.70 = 93,282.60 : x
  2. Step 2: Convert to fraction form
    123,025.80/184,538.70 = 93,282.60/x
  3. Step 3: Cross multiply
    123,025.80x = 184,538.70 × 93,282.60
  4. Step 4: Simplify right side
    123,025.80x = 17,214,249,736.62
  5. Step 5: Solve for x
    x = 17,214,249,736.62/123,025.80
  6. Step 6: Final answer
    x = 139,923.90

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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.