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Finding the Fourth Proportional to 357,658.83, 536,405.01 and 133,125.03

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Solution

The fourth proportional to 357,658.83, 536,405.01 and 133,125.03 is: 199,656.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,658.83 : 536,405.01 = 133,125.03 : x
  2. Step 2: Convert to fraction form
    357,658.83/536,405.01 = 133,125.03/x
  3. Step 3: Cross multiply
    357,658.83x = 536,405.01 × 133,125.03
  4. Step 4: Simplify right side
    357,658.83x = 71,408,933,048.40
  5. Step 5: Solve for x
    x = 71,408,933,048.40/357,658.83
  6. Step 6: Final answer
    x = 199,656.56

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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.