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Finding the Fourth Proportional to 366,932.99, 550,374.72 and 100,671.20

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Solution

The fourth proportional to 366,932.99, 550,374.72 and 100,671.20 is: 151,000.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,932.99 : 550,374.72 = 100,671.20 : x
  2. Step 2: Convert to fraction form
    366,932.99/550,374.72 = 100,671.20/x
  3. Step 3: Cross multiply
    366,932.99x = 550,374.72 × 100,671.20
  4. Step 4: Simplify right side
    366,932.99x = 55,406,880,760.19
  5. Step 5: Solve for x
    x = 55,406,880,760.19/366,932.99
  6. Step 6: Final answer
    x = 151,000.00

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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.