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Finding the Fourth Proportional to 350,692.02, 526,271.04 and 129,076.02

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Solution

The fourth proportional to 350,692.02, 526,271.04 and 129,076.02 is: 193,699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,692.02 : 526,271.04 = 129,076.02 : x
  2. Step 2: Convert to fraction form
    350,692.02/526,271.04 = 129,076.02/x
  3. Step 3: Cross multiply
    350,692.02x = 526,271.04 × 129,076.02
  4. Step 4: Simplify right side
    350,692.02x = 67,928,971,284.46
  5. Step 5: Solve for x
    x = 67,928,971,284.46/350,692.02
  6. Step 6: Final answer
    x = 193,699.79

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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.