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Finding the Fourth Proportional to 219,714.68, 303,194.40 and 124,215.68

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Solution

The fourth proportional to 219,714.68, 303,194.40 and 124,215.68 is: 171,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,714.68 : 303,194.40 = 124,215.68 : x
  2. Step 2: Convert to fraction form
    219,714.68/303,194.40 = 124,215.68/x
  3. Step 3: Cross multiply
    219,714.68x = 303,194.40 × 124,215.68
  4. Step 4: Simplify right side
    219,714.68x = 37,661,498,568.19
  5. Step 5: Solve for x
    x = 37,661,498,568.19/219,714.68
  6. Step 6: Final answer
    x = 171,410.93

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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.