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Finding the Fourth Proportional to 198,476.48, 297,539.76 and 73,730

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Solution

The fourth proportional to 198,476.48, 297,539.76 and 73,730 is: 110,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,476.48 : 297,539.76 = 73,730 : x
  2. Step 2: Convert to fraction form
    198,476.48/297,539.76 = 73,730/x
  3. Step 3: Cross multiply
    198,476.48x = 297,539.76 × 73,730
  4. Step 4: Simplify right side
    198,476.48x = 21,937,606,504.80
  5. Step 5: Solve for x
    x = 21,937,606,504.80/198,476.48
  6. Step 6: Final answer
    x = 110,530.01

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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.