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Finding the Fourth Proportional to 299,176.72, 448,648.44 and 112,086.16

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Solution

The fourth proportional to 299,176.72, 448,648.44 and 112,086.16 is: 168,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,176.72 : 448,648.44 = 112,086.16 : x
  2. Step 2: Convert to fraction form
    299,176.72/448,648.44 = 112,086.16/x
  3. Step 3: Cross multiply
    299,176.72x = 448,648.44 × 112,086.16
  4. Step 4: Simplify right side
    299,176.72x = 50,287,280,829.59
  5. Step 5: Solve for x
    x = 50,287,280,829.59/299,176.72
  6. Step 6: Final answer
    x = 168,085.54

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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.