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Finding the Fourth Proportional to 299,337, 449,079.48 and 88,974.06

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Solution

The fourth proportional to 299,337, 449,079.48 and 88,974.06 is: 133,483.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,337 : 449,079.48 = 88,974.06 : x
  2. Step 2: Convert to fraction form
    299,337/449,079.48 = 88,974.06/x
  3. Step 3: Cross multiply
    299,337x = 449,079.48 × 88,974.06
  4. Step 4: Simplify right side
    299,337x = 39,956,424,598.29
  5. Step 5: Solve for x
    x = 39,956,424,598.29/299,337
  6. Step 6: Final answer
    x = 133,483.08

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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.