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Finding the Fourth Proportional to 125,763, 188,699.22 and 46,867.02

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Solution

The fourth proportional to 125,763, 188,699.22 and 46,867.02 is: 70,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,763 : 188,699.22 = 46,867.02 : x
  2. Step 2: Convert to fraction form
    125,763/188,699.22 = 46,867.02/x
  3. Step 3: Cross multiply
    125,763x = 188,699.22 × 46,867.02
  4. Step 4: Simplify right side
    125,763x = 8,843,770,117.72
  5. Step 5: Solve for x
    x = 8,843,770,117.72/125,763
  6. Step 6: Final answer
    x = 70,320.92

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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.