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Finding the Fourth Proportional to 208,844.84, 313,267.26 and 51,071.42

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Solution

The fourth proportional to 208,844.84, 313,267.26 and 51,071.42 is: 76,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,844.84 : 313,267.26 = 51,071.42 : x
  2. Step 2: Convert to fraction form
    208,844.84/313,267.26 = 51,071.42/x
  3. Step 3: Cross multiply
    208,844.84x = 313,267.26 × 51,071.42
  4. Step 4: Simplify right side
    208,844.84x = 15,999,003,807.71
  5. Step 5: Solve for x
    x = 15,999,003,807.71/208,844.84
  6. Step 6: Final answer
    x = 76,607.13

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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.