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Finding the Fourth Proportional to 368,586.67, 552,880.23 and 102,347.20

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Solution

The fourth proportional to 368,586.67, 552,880.23 and 102,347.20 is: 153,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,586.67 : 552,880.23 = 102,347.20 : x
  2. Step 2: Convert to fraction form
    368,586.67/552,880.23 = 102,347.20/x
  3. Step 3: Cross multiply
    368,586.67x = 552,880.23 × 102,347.20
  4. Step 4: Simplify right side
    368,586.67x = 56,585,743,475.86
  5. Step 5: Solve for x
    x = 56,585,743,475.86/368,586.67
  6. Step 6: Final answer
    x = 153,520.86

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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.