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Finding the Fourth Proportional to 169,580, 254,374.86 and 44,921

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Solution

The fourth proportional to 169,580, 254,374.86 and 44,921 is: 67,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,580 : 254,374.86 = 44,921 : x
  2. Step 2: Convert to fraction form
    169,580/254,374.86 = 44,921/x
  3. Step 3: Cross multiply
    169,580x = 254,374.86 × 44,921
  4. Step 4: Simplify right side
    169,580x = 11,426,773,086.06
  5. Step 5: Solve for x
    x = 11,426,773,086.06/169,580
  6. Step 6: Final answer
    x = 67,382.79

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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.