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Finding the Fourth Proportional to 299,043.34, 448,651.59 and 88,686.34

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Solution

The fourth proportional to 299,043.34, 448,651.59 and 88,686.34 is: 133,055.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,043.34 : 448,651.59 = 88,686.34 : x
  2. Step 2: Convert to fraction form
    299,043.34/448,651.59 = 88,686.34/x
  3. Step 3: Cross multiply
    299,043.34x = 448,651.59 × 88,686.34
  4. Step 4: Simplify right side
    299,043.34x = 39,789,267,452.28
  5. Step 5: Solve for x
    x = 39,789,267,452.28/299,043.34
  6. Step 6: Final answer
    x = 133,055.19

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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.