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Finding the Fourth Proportional to 205,511.99, 308,298.73 and 63,345.44

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Solution

The fourth proportional to 205,511.99, 308,298.73 and 63,345.44 is: 95,027.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,511.99 : 308,298.73 = 63,345.44 : x
  2. Step 2: Convert to fraction form
    205,511.99/308,298.73 = 63,345.44/x
  3. Step 3: Cross multiply
    205,511.99x = 308,298.73 × 63,345.44
  4. Step 4: Simplify right side
    205,511.99x = 19,529,319,612.61
  5. Step 5: Solve for x
    x = 19,529,319,612.61/205,511.99
  6. Step 6: Final answer
    x = 95,027.64

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1.5x scale

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.