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Finding the Fourth Proportional to 133,920.73, 184,506.42 and 103,601.62

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Solution

The fourth proportional to 133,920.73, 184,506.42 and 103,601.62 is: 142,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,920.73 : 184,506.42 = 103,601.62 : x
  2. Step 2: Convert to fraction form
    133,920.73/184,506.42 = 103,601.62/x
  3. Step 3: Cross multiply
    133,920.73x = 184,506.42 × 103,601.62
  4. Step 4: Simplify right side
    133,920.73x = 19,115,164,012.40
  5. Step 5: Solve for x
    x = 19,115,164,012.40/133,920.73
  6. Step 6: Final answer
    x = 142,734.91

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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.