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Finding the Fourth Proportional to 180,051, 248,470.38 and 100,563

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Solution

The fourth proportional to 180,051, 248,470.38 and 100,563 is: 138,776.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,051 : 248,470.38 = 100,563 : x
  2. Step 2: Convert to fraction form
    180,051/248,470.38 = 100,563/x
  3. Step 3: Cross multiply
    180,051x = 248,470.38 × 100,563
  4. Step 4: Simplify right side
    180,051x = 24,986,926,823.94
  5. Step 5: Solve for x
    x = 24,986,926,823.94/180,051
  6. Step 6: Final answer
    x = 138,776.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.