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Finding the Fourth Proportional to 357,660.42, 536,573.66 and 104,930.70

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Solution

The fourth proportional to 357,660.42, 536,573.66 and 104,930.70 is: 157,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,660.42 : 536,573.66 = 104,930.70 : x
  2. Step 2: Convert to fraction form
    357,660.42/536,573.66 = 104,930.70/x
  3. Step 3: Cross multiply
    357,660.42x = 536,573.66 × 104,930.70
  4. Step 4: Simplify right side
    357,660.42x = 56,303,049,745.36
  5. Step 5: Solve for x
    x = 56,303,049,745.36/357,660.42
  6. Step 6: Final answer
    x = 157,420.41

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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.