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Finding the Fourth Proportional to 125,745.27, 188,641.22 and 41,511.30

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Solution

The fourth proportional to 125,745.27, 188,641.22 and 41,511.30 is: 62,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,745.27 : 188,641.22 = 41,511.30 : x
  2. Step 2: Convert to fraction form
    125,745.27/188,641.22 = 41,511.30/x
  3. Step 3: Cross multiply
    125,745.27x = 188,641.22 × 41,511.30
  4. Step 4: Simplify right side
    125,745.27x = 7,830,742,068.23
  5. Step 5: Solve for x
    x = 7,830,742,068.23/125,745.27
  6. Step 6: Final answer
    x = 62,274.65

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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.