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Finding the Fourth Proportional to 270,690.44, 373,547.64 and 149,831.84

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Solution

The fourth proportional to 270,690.44, 373,547.64 and 149,831.84 is: 206,765.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,690.44 : 373,547.64 = 149,831.84 : x
  2. Step 2: Convert to fraction form
    270,690.44/373,547.64 = 149,831.84/x
  3. Step 3: Cross multiply
    270,690.44x = 373,547.64 × 149,831.84
  4. Step 4: Simplify right side
    270,690.44x = 55,969,330,228.86
  5. Step 5: Solve for x
    x = 55,969,330,228.86/270,690.44
  6. Step 6: Final answer
    x = 206,765.08

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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.