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Finding the Fourth Proportional to 452,252.30, 678,476.93 and 136,701

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Solution

The fourth proportional to 452,252.30, 678,476.93 and 136,701 is: 205,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,252.30 : 678,476.93 = 136,701 : x
  2. Step 2: Convert to fraction form
    452,252.30/678,476.93 = 136,701/x
  3. Step 3: Cross multiply
    452,252.30x = 678,476.93 × 136,701
  4. Step 4: Simplify right side
    452,252.30x = 92,748,474,124.43
  5. Step 5: Solve for x
    x = 92,748,474,124.43/452,252.30
  6. Step 6: Final answer
    x = 205,081.27

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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.