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Finding the Fourth Proportional to 247,343.76, 340,955.64 and 151,673.04

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Solution

The fourth proportional to 247,343.76, 340,955.64 and 151,673.04 is: 209,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,343.76 : 340,955.64 = 151,673.04 : x
  2. Step 2: Convert to fraction form
    247,343.76/340,955.64 = 151,673.04/x
  3. Step 3: Cross multiply
    247,343.76x = 340,955.64 × 151,673.04
  4. Step 4: Simplify right side
    247,343.76x = 51,713,778,423.95
  5. Step 5: Solve for x
    x = 51,713,778,423.95/247,343.76
  6. Step 6: Final answer
    x = 209,076.54

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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.