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Finding the Fourth Proportional to 230,679.30, 346,116.15 and 125,573.70

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Solution

The fourth proportional to 230,679.30, 346,116.15 and 125,573.70 is: 188,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,679.30 : 346,116.15 = 125,573.70 : x
  2. Step 2: Convert to fraction form
    230,679.30/346,116.15 = 125,573.70/x
  3. Step 3: Cross multiply
    230,679.30x = 346,116.15 × 125,573.70
  4. Step 4: Simplify right side
    230,679.30x = 43,463,085,585.26
  5. Step 5: Solve for x
    x = 43,463,085,585.26/230,679.30
  6. Step 6: Final answer
    x = 188,413.46

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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.