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Finding the Fourth Proportional to 341,713.70, 512,716.35 and 164,129.30

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Solution

The fourth proportional to 341,713.70, 512,716.35 and 164,129.30 is: 246,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,713.70 : 512,716.35 = 164,129.30 : x
  2. Step 2: Convert to fraction form
    341,713.70/512,716.35 = 164,129.30/x
  3. Step 3: Cross multiply
    341,713.70x = 512,716.35 × 164,129.30
  4. Step 4: Simplify right side
    341,713.70x = 84,151,775,624.06
  5. Step 5: Solve for x
    x = 84,151,775,624.06/341,713.70
  6. Step 6: Final answer
    x = 246,263.98

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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.