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Finding the Fourth Proportional to 299,029.72, 448,468.18 and 88,618.52

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Solution

The fourth proportional to 299,029.72, 448,468.18 and 88,618.52 is: 132,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,029.72 : 448,468.18 = 88,618.52 : x
  2. Step 2: Convert to fraction form
    299,029.72/448,468.18 = 88,618.52/x
  3. Step 3: Cross multiply
    299,029.72x = 448,468.18 × 88,618.52
  4. Step 4: Simplify right side
    299,029.72x = 39,742,586,378.69
  5. Step 5: Solve for x
    x = 39,742,586,378.69/299,029.72
  6. Step 6: Final answer
    x = 132,905.14

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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.