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Finding the Fourth Proportional to 247,164.36, 341,219.16 and 193,335

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Solution

The fourth proportional to 247,164.36, 341,219.16 and 193,335 is: 266,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,164.36 : 341,219.16 = 193,335 : x
  2. Step 2: Convert to fraction form
    247,164.36/341,219.16 = 193,335/x
  3. Step 3: Cross multiply
    247,164.36x = 341,219.16 × 193,335
  4. Step 4: Simplify right side
    247,164.36x = 65,969,606,298.60
  5. Step 5: Solve for x
    x = 65,969,606,298.60/247,164.36
  6. Step 6: Final answer
    x = 266,905.82

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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.