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Finding the Fourth Proportional to 133,064.67, 183,622.85 and 75,698.60

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Solution

The fourth proportional to 133,064.67, 183,622.85 and 75,698.60 is: 104,460.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,064.67 : 183,622.85 = 75,698.60 : x
  2. Step 2: Convert to fraction form
    133,064.67/183,622.85 = 75,698.60/x
  3. Step 3: Cross multiply
    133,064.67x = 183,622.85 × 75,698.60
  4. Step 4: Simplify right side
    133,064.67x = 13,899,992,693.15
  5. Step 5: Solve for x
    x = 13,899,992,693.15/133,064.67
  6. Step 6: Final answer
    x = 104,460.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.