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Finding the Fourth Proportional to 179,526.98, 247,747.74 and 107,948

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Solution

The fourth proportional to 179,526.98, 247,747.74 and 107,948 is: 148,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,526.98 : 247,747.74 = 107,948 : x
  2. Step 2: Convert to fraction form
    179,526.98/247,747.74 = 107,948/x
  3. Step 3: Cross multiply
    179,526.98x = 247,747.74 × 107,948
  4. Step 4: Simplify right side
    179,526.98x = 26,743,873,037.52
  5. Step 5: Solve for x
    x = 26,743,873,037.52/179,526.98
  6. Step 6: Final answer
    x = 148,968.55

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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.