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Finding the Fourth Proportional to 199,419.53, 299,187.62 and 59,181.80

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Solution

The fourth proportional to 199,419.53, 299,187.62 and 59,181.80 is: 88,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,419.53 : 299,187.62 = 59,181.80 : x
  2. Step 2: Convert to fraction form
    199,419.53/299,187.62 = 59,181.80/x
  3. Step 3: Cross multiply
    199,419.53x = 299,187.62 × 59,181.80
  4. Step 4: Simplify right side
    199,419.53x = 17,706,461,593.41
  5. Step 5: Solve for x
    x = 17,706,461,593.41/199,419.53
  6. Step 6: Final answer
    x = 88,790.01

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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.