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Finding the Fourth Proportional to 125,651.56, 188,486.49 and 46,765.76

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Solution

The fourth proportional to 125,651.56, 188,486.49 and 46,765.76 is: 70,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,651.56 : 188,486.49 = 46,765.76 : x
  2. Step 2: Convert to fraction form
    125,651.56/188,486.49 = 46,765.76/x
  3. Step 3: Cross multiply
    125,651.56x = 188,486.49 × 46,765.76
  4. Step 4: Simplify right side
    125,651.56x = 8,814,713,954.58
  5. Step 5: Solve for x
    x = 8,814,713,954.58/125,651.56
  6. Step 6: Final answer
    x = 70,152.05

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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.