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Finding the Fourth Proportional to 452,124.40, 678,186.60 and 136,548.40

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Solution

The fourth proportional to 452,124.40, 678,186.60 and 136,548.40 is: 204,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,124.40 : 678,186.60 = 136,548.40 : x
  2. Step 2: Convert to fraction form
    452,124.40/678,186.60 = 136,548.40/x
  3. Step 3: Cross multiply
    452,124.40x = 678,186.60 × 136,548.40
  4. Step 4: Simplify right side
    452,124.40x = 92,605,295,131.44
  5. Step 5: Solve for x
    x = 92,605,295,131.44/452,124.40
  6. Step 6: Final answer
    x = 204,822.60

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Similar ratio
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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.