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Finding the Fourth Proportional to 219,329.88, 328,927.84 and 92,967.75

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Solution

The fourth proportional to 219,329.88, 328,927.84 and 92,967.75 is: 139,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,329.88 : 328,927.84 = 92,967.75 : x
  2. Step 2: Convert to fraction form
    219,329.88/328,927.84 = 92,967.75/x
  3. Step 3: Cross multiply
    219,329.88x = 328,927.84 × 92,967.75
  4. Step 4: Simplify right side
    219,329.88x = 30,579,680,964.74
  5. Step 5: Solve for x
    x = 30,579,680,964.74/219,329.88
  6. Step 6: Final answer
    x = 139,423.24

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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.