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Finding the Fourth Proportional to 114,031.08, 171,053.64 and 43,910.46

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Solution

The fourth proportional to 114,031.08, 171,053.64 and 43,910.46 is: 65,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,031.08 : 171,053.64 = 43,910.46 : x
  2. Step 2: Convert to fraction form
    114,031.08/171,053.64 = 43,910.46/x
  3. Step 3: Cross multiply
    114,031.08x = 171,053.64 × 43,910.46
  4. Step 4: Simplify right side
    114,031.08x = 7,511,044,017.07
  5. Step 5: Solve for x
    x = 7,511,044,017.07/114,031.08
  6. Step 6: Final answer
    x = 65,868.39

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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.