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Finding the Fourth Proportional to 336,641.36, 504,851.76 and 111,939.86

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Solution

The fourth proportional to 336,641.36, 504,851.76 and 111,939.86 is: 167,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,641.36 : 504,851.76 = 111,939.86 : x
  2. Step 2: Convert to fraction form
    336,641.36/504,851.76 = 111,939.86/x
  3. Step 3: Cross multiply
    336,641.36x = 504,851.76 × 111,939.86
  4. Step 4: Simplify right side
    336,641.36x = 56,513,035,335.15
  5. Step 5: Solve for x
    x = 56,513,035,335.15/336,641.36
  6. Step 6: Final answer
    x = 167,873.12

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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.