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Finding the Fourth Proportional to 202,324.64, 279,210.33 and 111,680.69

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Solution

The fourth proportional to 202,324.64, 279,210.33 and 111,680.69 is: 154,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,324.64 : 279,210.33 = 111,680.69 : x
  2. Step 2: Convert to fraction form
    202,324.64/279,210.33 = 111,680.69/x
  3. Step 3: Cross multiply
    202,324.64x = 279,210.33 × 111,680.69
  4. Step 4: Simplify right side
    202,324.64x = 31,182,400,913.48
  5. Step 5: Solve for x
    x = 31,182,400,913.48/202,324.64
  6. Step 6: Final answer
    x = 154,120.63

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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.