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Finding the Fourth Proportional to 246,415.56, 340,106.18 and 155,713.80

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Solution

The fourth proportional to 246,415.56, 340,106.18 and 155,713.80 is: 214,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,415.56 : 340,106.18 = 155,713.80 : x
  2. Step 2: Convert to fraction form
    246,415.56/340,106.18 = 155,713.80/x
  3. Step 3: Cross multiply
    246,415.56x = 340,106.18 × 155,713.80
  4. Step 4: Simplify right side
    246,415.56x = 52,959,225,691.28
  5. Step 5: Solve for x
    x = 52,959,225,691.28/246,415.56
  6. Step 6: Final answer
    x = 214,918.35

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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.