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Finding the Fourth Proportional to 136,404.10, 204,606.15 and 94,413.70

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Solution

The fourth proportional to 136,404.10, 204,606.15 and 94,413.70 is: 141,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,404.10 : 204,606.15 = 94,413.70 : x
  2. Step 2: Convert to fraction form
    136,404.10/204,606.15 = 94,413.70/x
  3. Step 3: Cross multiply
    136,404.10x = 204,606.15 × 94,413.70
  4. Step 4: Simplify right side
    136,404.10x = 19,317,623,664.26
  5. Step 5: Solve for x
    x = 19,317,623,664.26/136,404.10
  6. Step 6: Final answer
    x = 141,620.55

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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.