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Finding the Fourth Proportional to 264,013.66, 395,889.47 and 84,075.63

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Solution

The fourth proportional to 264,013.66, 395,889.47 and 84,075.63 is: 126,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,013.66 : 395,889.47 = 84,075.63 : x
  2. Step 2: Convert to fraction form
    264,013.66/395,889.47 = 84,075.63/x
  3. Step 3: Cross multiply
    264,013.66x = 395,889.47 × 84,075.63
  4. Step 4: Simplify right side
    264,013.66x = 33,284,656,600.62
  5. Step 5: Solve for x
    x = 33,284,656,600.62/264,013.66
  6. Step 6: Final answer
    x = 126,071.72

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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.