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Finding the Fourth Proportional to 223,510.84, 335,594.34 and 139,628.44

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Solution

The fourth proportional to 223,510.84, 335,594.34 and 139,628.44 is: 209,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,510.84 : 335,594.34 = 139,628.44 : x
  2. Step 2: Convert to fraction form
    223,510.84/335,594.34 = 139,628.44/x
  3. Step 3: Cross multiply
    223,510.84x = 335,594.34 × 139,628.44
  4. Step 4: Simplify right side
    223,510.84x = 46,858,514,167.03
  5. Step 5: Solve for x
    x = 46,858,514,167.03/223,510.84
  6. Step 6: Final answer
    x = 209,647.61

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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.