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Finding the Fourth Proportional to 218,508.33, 301,570.26 and 123,033.63

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Solution

The fourth proportional to 218,508.33, 301,570.26 and 123,033.63 is: 169,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,508.33 : 301,570.26 = 123,033.63 : x
  2. Step 2: Convert to fraction form
    218,508.33/301,570.26 = 123,033.63/x
  3. Step 3: Cross multiply
    218,508.33x = 301,570.26 × 123,033.63
  4. Step 4: Simplify right side
    218,508.33x = 37,103,284,457.36
  5. Step 5: Solve for x
    x = 37,103,284,457.36/218,508.33
  6. Step 6: Final answer
    x = 169,802.61

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1.5x scale

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.