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Finding the Fourth Proportional to 202,411.58, 279,332.33 and 111,773.34

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Solution

The fourth proportional to 202,411.58, 279,332.33 and 111,773.34 is: 154,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,411.58 : 279,332.33 = 111,773.34 : x
  2. Step 2: Convert to fraction form
    202,411.58/279,332.33 = 111,773.34/x
  3. Step 3: Cross multiply
    202,411.58x = 279,332.33 × 111,773.34
  4. Step 4: Simplify right side
    202,411.58x = 31,221,906,935.22
  5. Step 5: Solve for x
    x = 31,221,906,935.22/202,411.58
  6. Step 6: Final answer
    x = 154,249.61

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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.