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Finding the Fourth Proportional to 268,075.63, 401,995.35 and 125,961.34

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Solution

The fourth proportional to 268,075.63, 401,995.35 and 125,961.34 is: 188,886.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,075.63 : 401,995.35 = 125,961.34 : x
  2. Step 2: Convert to fraction form
    268,075.63/401,995.35 = 125,961.34/x
  3. Step 3: Cross multiply
    268,075.63x = 401,995.35 × 125,961.34
  4. Step 4: Simplify right side
    268,075.63x = 50,635,872,959.77
  5. Step 5: Solve for x
    x = 50,635,872,959.77/268,075.63
  6. Step 6: Final answer
    x = 188,886.52

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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.