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Finding the Fourth Proportional to 357,667.02, 536,752.62 and 168,136.02

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Solution

The fourth proportional to 357,667.02, 536,752.62 and 168,136.02 is: 252,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,667.02 : 536,752.62 = 168,136.02 : x
  2. Step 2: Convert to fraction form
    357,667.02/536,752.62 = 168,136.02/x
  3. Step 3: Cross multiply
    357,667.02x = 536,752.62 × 168,136.02
  4. Step 4: Simplify right side
    357,667.02x = 90,247,449,251.37
  5. Step 5: Solve for x
    x = 90,247,449,251.37/357,667.02
  6. Step 6: Final answer
    x = 252,322.54

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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.