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Finding the Fourth Proportional to 200,525.90, 276,699.40 and 119,924.01

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Solution

The fourth proportional to 200,525.90, 276,699.40 and 119,924.01 is: 165,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,525.90 : 276,699.40 = 119,924.01 : x
  2. Step 2: Convert to fraction form
    200,525.90/276,699.40 = 119,924.01/x
  3. Step 3: Cross multiply
    200,525.90x = 276,699.40 × 119,924.01
  4. Step 4: Simplify right side
    200,525.90x = 33,182,901,312.78
  5. Step 5: Solve for x
    x = 33,182,901,312.78/200,525.90
  6. Step 6: Final answer
    x = 165,479.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.