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Finding the Fourth Proportional to 199,895.90, 299,895.78 and 59,654.53

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Solution

The fourth proportional to 199,895.90, 299,895.78 and 59,654.53 is: 89,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,895.90 : 299,895.78 = 59,654.53 : x
  2. Step 2: Convert to fraction form
    199,895.90/299,895.78 = 59,654.53/x
  3. Step 3: Cross multiply
    199,895.90x = 299,895.78 × 59,654.53
  4. Step 4: Simplify right side
    199,895.90x = 17,890,141,804.88
  5. Step 5: Solve for x
    x = 17,890,141,804.88/199,895.90
  6. Step 6: Final answer
    x = 89,497.29

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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.