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Finding the Fourth Proportional to 299,117.43, 448,676.33 and 88,753.50

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Solution

The fourth proportional to 299,117.43, 448,676.33 and 88,753.50 is: 133,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,117.43 : 448,676.33 = 88,753.50 : x
  2. Step 2: Convert to fraction form
    299,117.43/448,676.33 = 88,753.50/x
  3. Step 3: Cross multiply
    299,117.43x = 448,676.33 × 88,753.50
  4. Step 4: Simplify right side
    299,117.43x = 39,821,594,210.89
  5. Step 5: Solve for x
    x = 39,821,594,210.89/299,117.43
  6. Step 6: Final answer
    x = 133,130.30

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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.