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Finding the Fourth Proportional to 208,673.01, 313,034.36 and 66,468.36

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Solution

The fourth proportional to 208,673.01, 313,034.36 and 66,468.36 is: 99,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,673.01 : 313,034.36 = 66,468.36 : x
  2. Step 2: Convert to fraction form
    208,673.01/313,034.36 = 66,468.36/x
  3. Step 3: Cross multiply
    208,673.01x = 313,034.36 × 66,468.36
  4. Step 4: Simplify right side
    208,673.01x = 20,806,878,635.34
  5. Step 5: Solve for x
    x = 20,806,878,635.34/208,673.01
  6. Step 6: Final answer
    x = 99,710.44

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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.