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Finding the Fourth Proportional to 125,651.59, 188,477.01 and 50,770.87

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Solution

The fourth proportional to 125,651.59, 188,477.01 and 50,770.87 is: 76,156.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,651.59 : 188,477.01 = 50,770.87 : x
  2. Step 2: Convert to fraction form
    125,651.59/188,477.01 = 50,770.87/x
  3. Step 3: Cross multiply
    125,651.59x = 188,477.01 × 50,770.87
  4. Step 4: Simplify right side
    125,651.59x = 9,569,141,301.51
  5. Step 5: Solve for x
    x = 9,569,141,301.51/125,651.59
  6. Step 6: Final answer
    x = 76,156.15

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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.