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Finding the Fourth Proportional to 350,311.70, 525,667.52 and 137,097.02

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Solution

The fourth proportional to 350,311.70, 525,667.52 and 137,097.02 is: 205,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,311.70 : 525,667.52 = 137,097.02 : x
  2. Step 2: Convert to fraction form
    350,311.70/525,667.52 = 137,097.02/x
  3. Step 3: Cross multiply
    350,311.70x = 525,667.52 × 137,097.02
  4. Step 4: Simplify right side
    350,311.70x = 72,067,452,159.70
  5. Step 5: Solve for x
    x = 72,067,452,159.70/350,311.70
  6. Step 6: Final answer
    x = 205,723.79

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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.