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Finding the Fourth Proportional to 221,879.91, 306,196.23 and 204,927.93

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Solution

The fourth proportional to 221,879.91, 306,196.23 and 204,927.93 is: 282,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,879.91 : 306,196.23 = 204,927.93 : x
  2. Step 2: Convert to fraction form
    221,879.91/306,196.23 = 204,927.93/x
  3. Step 3: Cross multiply
    221,879.91x = 306,196.23 × 204,927.93
  4. Step 4: Simplify right side
    221,879.91x = 62,748,159,587.70
  5. Step 5: Solve for x
    x = 62,748,159,587.70/221,879.91
  6. Step 6: Final answer
    x = 282,802.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.