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Finding the Fourth Proportional to 215,292.99, 322,730.00 and 102,944.07

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Solution

The fourth proportional to 215,292.99, 322,730.00 and 102,944.07 is: 154,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,292.99 : 322,730.00 = 102,944.07 : x
  2. Step 2: Convert to fraction form
    215,292.99/322,730.00 = 102,944.07/x
  3. Step 3: Cross multiply
    215,292.99x = 322,730.00 × 102,944.07
  4. Step 4: Simplify right side
    215,292.99x = 33,223,137,582.73
  5. Step 5: Solve for x
    x = 33,223,137,582.73/215,292.99
  6. Step 6: Final answer
    x = 154,315.93

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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.