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Finding the Fourth Proportional to 179,718.25, 248,011.19 and 100,230.25

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Solution

The fourth proportional to 179,718.25, 248,011.19 and 100,230.25 is: 138,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,718.25 : 248,011.19 = 100,230.25 : x
  2. Step 2: Convert to fraction form
    179,718.25/248,011.19 = 100,230.25/x
  3. Step 3: Cross multiply
    179,718.25x = 248,011.19 × 100,230.25
  4. Step 4: Simplify right side
    179,718.25x = 24,858,223,576.50
  5. Step 5: Solve for x
    x = 24,858,223,576.50/179,718.25
  6. Step 6: Final answer
    x = 138,317.75

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1.5x scale

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.