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Finding the Fourth Proportional to 202,913.65, 304,370.48 and 92,105.65

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Solution

The fourth proportional to 202,913.65, 304,370.48 and 92,105.65 is: 138,158.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,913.65 : 304,370.48 = 92,105.65 : x
  2. Step 2: Convert to fraction form
    202,913.65/304,370.48 = 92,105.65/x
  3. Step 3: Cross multiply
    202,913.65x = 304,370.48 × 92,105.65
  4. Step 4: Simplify right side
    202,913.65x = 28,034,240,440.68
  5. Step 5: Solve for x
    x = 28,034,240,440.68/202,913.65
  6. Step 6: Final answer
    x = 138,158.48

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1.5x scale

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.