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Finding the Fourth Proportional to 125,190.60, 187,654.67 and 46,254.48

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Solution

The fourth proportional to 125,190.60, 187,654.67 and 46,254.48 is: 69,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,190.60 : 187,654.67 = 46,254.48 : x
  2. Step 2: Convert to fraction form
    125,190.60/187,654.67 = 46,254.48/x
  3. Step 3: Cross multiply
    125,190.60x = 187,654.67 × 46,254.48
  4. Step 4: Simplify right side
    125,190.60x = 8,679,868,357.78
  5. Step 5: Solve for x
    x = 8,679,868,357.78/125,190.60
  6. Step 6: Final answer
    x = 69,333.23

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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.