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Finding the Fourth Proportional to 155,622, 233,433 and 38,886

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Solution

The fourth proportional to 155,622, 233,433 and 38,886 is: 58,329

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,622 : 233,433 = 38,886 : x
  2. Step 2: Convert to fraction form
    155,622/233,433 = 38,886/x
  3. Step 3: Cross multiply
    155,622x = 233,433 × 38,886
  4. Step 4: Simplify right side
    155,622x = 9,077,275,638
  5. Step 5: Solve for x
    x = 9,077,275,638/155,622
  6. Step 6: Final answer
    x = 58,329

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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.