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Finding the Fourth Proportional to 369,903.32, 554,723.70 and 133,182.44

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Solution

The fourth proportional to 369,903.32, 554,723.70 and 133,182.44 is: 199,726.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,903.32 : 554,723.70 = 133,182.44 : x
  2. Step 2: Convert to fraction form
    369,903.32/554,723.70 = 133,182.44/x
  3. Step 3: Cross multiply
    369,903.32x = 554,723.70 × 133,182.44
  4. Step 4: Simplify right side
    369,903.32x = 73,879,455,891.83
  5. Step 5: Solve for x
    x = 73,879,455,891.83/369,903.32
  6. Step 6: Final answer
    x = 199,726.39

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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.