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Finding the Fourth Proportional to 355,990.18, 534,065.24 and 119,326.80

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Solution

The fourth proportional to 355,990.18, 534,065.24 and 119,326.80 is: 179,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,990.18 : 534,065.24 = 119,326.80 : x
  2. Step 2: Convert to fraction form
    355,990.18/534,065.24 = 119,326.80/x
  3. Step 3: Cross multiply
    355,990.18x = 534,065.24 × 119,326.80
  4. Step 4: Simplify right side
    355,990.18x = 63,728,296,080.43
  5. Step 5: Solve for x
    x = 63,728,296,080.43/355,990.18
  6. Step 6: Final answer
    x = 179,017.01

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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.