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Finding the Fourth Proportional to 299,250.70, 448,876.05 and 133,038.70

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Solution

The fourth proportional to 299,250.70, 448,876.05 and 133,038.70 is: 199,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,250.70 : 448,876.05 = 133,038.70 : x
  2. Step 2: Convert to fraction form
    299,250.70/448,876.05 = 133,038.70/x
  3. Step 3: Cross multiply
    299,250.70x = 448,876.05 × 133,038.70
  4. Step 4: Simplify right side
    299,250.70x = 59,717,886,153.14
  5. Step 5: Solve for x
    x = 59,717,886,153.14/299,250.70
  6. Step 6: Final answer
    x = 199,558.05

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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.