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Finding the Fourth Proportional to 220,486.34, 304,313.40 and 124,993.41

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Solution

The fourth proportional to 220,486.34, 304,313.40 and 124,993.41 is: 172,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,486.34 : 304,313.40 = 124,993.41 : x
  2. Step 2: Convert to fraction form
    220,486.34/304,313.40 = 124,993.41/x
  3. Step 3: Cross multiply
    220,486.34x = 304,313.40 × 124,993.41
  4. Step 4: Simplify right side
    220,486.34x = 38,037,169,574.69
  5. Step 5: Solve for x
    x = 38,037,169,574.69/220,486.34
  6. Step 6: Final answer
    x = 172,514.86

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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.