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Finding the Fourth Proportional to 299,059.02, 448,511.92 and 88,647.75

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Solution

The fourth proportional to 299,059.02, 448,511.92 and 88,647.75 is: 132,948.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,059.02 : 448,511.92 = 88,647.75 : x
  2. Step 2: Convert to fraction form
    299,059.02/448,511.92 = 88,647.75/x
  3. Step 3: Cross multiply
    299,059.02x = 448,511.92 × 88,647.75
  4. Step 4: Simplify right side
    299,059.02x = 39,759,572,334.56
  5. Step 5: Solve for x
    x = 39,759,572,334.56/299,059.02
  6. Step 6: Final answer
    x = 132,948.92

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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.