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Finding the Fourth Proportional to 125,806.64, 188,709.62 and 37,060.02

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Solution

The fourth proportional to 125,806.64, 188,709.62 and 37,060.02 is: 55,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,806.64 : 188,709.62 = 37,060.02 : x
  2. Step 2: Convert to fraction form
    125,806.64/188,709.62 = 37,060.02/x
  3. Step 3: Cross multiply
    125,806.64x = 188,709.62 × 37,060.02
  4. Step 4: Simplify right side
    125,806.64x = 6,993,582,291.39
  5. Step 5: Solve for x
    x = 6,993,582,291.39/125,806.64
  6. Step 6: Final answer
    x = 55,589.93

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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.