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Finding the Fourth Proportional to 202,323.73, 279,206.76 and 111,679.72

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Solution

The fourth proportional to 202,323.73, 279,206.76 and 111,679.72 is: 154,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,323.73 : 279,206.76 = 111,679.72 : x
  2. Step 2: Convert to fraction form
    202,323.73/279,206.76 = 111,679.72/x
  3. Step 3: Cross multiply
    202,323.73x = 279,206.76 × 111,679.72
  4. Step 4: Simplify right side
    202,323.73x = 31,181,732,778.91
  5. Step 5: Solve for x
    x = 31,181,732,778.91/202,323.73
  6. Step 6: Final answer
    x = 154,118.02

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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.