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Finding the Fourth Proportional to 219,141.99, 328,463.84 and 92,703.32

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Solution

The fourth proportional to 219,141.99, 328,463.84 and 92,703.32 is: 138,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,141.99 : 328,463.84 = 92,703.32 : x
  2. Step 2: Convert to fraction form
    219,141.99/328,463.84 = 92,703.32/x
  3. Step 3: Cross multiply
    219,141.99x = 328,463.84 × 92,703.32
  4. Step 4: Simplify right side
    219,141.99x = 30,449,686,362.11
  5. Step 5: Solve for x
    x = 30,449,686,362.11/219,141.99
  6. Step 6: Final answer
    x = 138,949.57

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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.