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Finding the Fourth Proportional to 230,455, 318,027.94 and 124,471

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Solution

The fourth proportional to 230,455, 318,027.94 and 124,471 is: 171,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,455 : 318,027.94 = 124,471 : x
  2. Step 2: Convert to fraction form
    230,455/318,027.94 = 124,471/x
  3. Step 3: Cross multiply
    230,455x = 318,027.94 × 124,471
  4. Step 4: Simplify right side
    230,455x = 39,585,255,719.74
  5. Step 5: Solve for x
    x = 39,585,255,719.74/230,455
  6. Step 6: Final answer
    x = 171,770.00

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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.