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Finding the Fourth Proportional to 122,681.97, 184,022.73 and 38,448.60

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Solution

The fourth proportional to 122,681.97, 184,022.73 and 38,448.60 is: 57,672.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,681.97 : 184,022.73 = 38,448.60 : x
  2. Step 2: Convert to fraction form
    122,681.97/184,022.73 = 38,448.60/x
  3. Step 3: Cross multiply
    122,681.97x = 184,022.73 × 38,448.60
  4. Step 4: Simplify right side
    122,681.97x = 7,075,416,336.68
  5. Step 5: Solve for x
    x = 7,075,416,336.68/122,681.97
  6. Step 6: Final answer
    x = 57,672.83

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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.