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Finding the Fourth Proportional to 299,028.72, 448,466.68 and 88,617.52

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Solution

The fourth proportional to 299,028.72, 448,466.68 and 88,617.52 is: 132,903.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,028.72 : 448,466.68 = 88,617.52 : x
  2. Step 2: Convert to fraction form
    299,028.72/448,466.68 = 88,617.52/x
  3. Step 3: Cross multiply
    299,028.72x = 448,466.68 × 88,617.52
  4. Step 4: Simplify right side
    299,028.72x = 39,742,004,984.23
  5. Step 5: Solve for x
    x = 39,742,004,984.23/299,028.72
  6. Step 6: Final answer
    x = 132,903.64

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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.