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Finding the Fourth Proportional to 299,078.22, 448,617.29 and 88,714.34

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Solution

The fourth proportional to 299,078.22, 448,617.29 and 88,714.34 is: 133,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,078.22 : 448,617.29 = 88,714.34 : x
  2. Step 2: Convert to fraction form
    299,078.22/448,617.29 = 88,714.34/x
  3. Step 3: Cross multiply
    299,078.22x = 448,617.29 × 88,714.34
  4. Step 4: Simplify right side
    299,078.22x = 39,798,784,108.28
  5. Step 5: Solve for x
    x = 39,798,784,108.28/299,078.22
  6. Step 6: Final answer
    x = 133,071.49

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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.