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Finding the Fourth Proportional to 207,479.58, 311,266.02 and 63,397.98

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Solution

The fourth proportional to 207,479.58, 311,266.02 and 63,397.98 is: 95,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,479.58 : 311,266.02 = 63,397.98 : x
  2. Step 2: Convert to fraction form
    207,479.58/311,266.02 = 63,397.98/x
  3. Step 3: Cross multiply
    207,479.58x = 311,266.02 × 63,397.98
  4. Step 4: Simplify right side
    207,479.58x = 19,733,636,910.64
  5. Step 5: Solve for x
    x = 19,733,636,910.64/207,479.58
  6. Step 6: Final answer
    x = 95,111.22

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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.