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Finding the Fourth Proportional to 208,674.20, 313,011.30 and 60,930.20

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Solution

The fourth proportional to 208,674.20, 313,011.30 and 60,930.20 is: 91,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,674.20 : 313,011.30 = 60,930.20 : x
  2. Step 2: Convert to fraction form
    208,674.20/313,011.30 = 60,930.20/x
  3. Step 3: Cross multiply
    208,674.20x = 313,011.30 × 60,930.20
  4. Step 4: Simplify right side
    208,674.20x = 19,071,841,111.26
  5. Step 5: Solve for x
    x = 19,071,841,111.26/208,674.20
  6. Step 6: Final answer
    x = 91,395.30

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1.5x scale

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.