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Finding the Fourth Proportional to 202,724.74, 279,751.89 and 112,074.94

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Solution

The fourth proportional to 202,724.74, 279,751.89 and 112,074.94 is: 154,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,724.74 : 279,751.89 = 112,074.94 : x
  2. Step 2: Convert to fraction form
    202,724.74/279,751.89 = 112,074.94/x
  3. Step 3: Cross multiply
    202,724.74x = 279,751.89 × 112,074.94
  4. Step 4: Simplify right side
    202,724.74x = 31,353,176,286.64
  5. Step 5: Solve for x
    x = 31,353,176,286.64/202,724.74
  6. Step 6: Final answer
    x = 154,658.86

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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.