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Finding the Fourth Proportional to 201,504.04, 278,075.56 and 110,858.04

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Solution

The fourth proportional to 201,504.04, 278,075.56 and 110,858.04 is: 152,984.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,504.04 : 278,075.56 = 110,858.04 : x
  2. Step 2: Convert to fraction form
    201,504.04/278,075.56 = 110,858.04/x
  3. Step 3: Cross multiply
    201,504.04x = 278,075.56 × 110,858.04
  4. Step 4: Simplify right side
    201,504.04x = 30,826,911,553.50
  5. Step 5: Solve for x
    x = 30,826,911,553.50/201,504.04
  6. Step 6: Final answer
    x = 152,984.09

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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.