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Finding the Fourth Proportional to 125,793.90, 188,669.67 and 35,830.29

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Solution

The fourth proportional to 125,793.90, 188,669.67 and 35,830.29 is: 53,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,793.90 : 188,669.67 = 35,830.29 : x
  2. Step 2: Convert to fraction form
    125,793.90/188,669.67 = 35,830.29/x
  3. Step 3: Cross multiply
    125,793.90x = 188,669.67 × 35,830.29
  4. Step 4: Simplify right side
    125,793.90x = 6,760,089,398.91
  5. Step 5: Solve for x
    x = 6,760,089,398.91/125,793.90
  6. Step 6: Final answer
    x = 53,739.40

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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.