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Finding the Fourth Proportional to 230,488, 318,073.44 and 124,504

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Solution

The fourth proportional to 230,488, 318,073.44 and 124,504 is: 171,815.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,488 : 318,073.44 = 124,504 : x
  2. Step 2: Convert to fraction form
    230,488/318,073.44 = 124,504/x
  3. Step 3: Cross multiply
    230,488x = 318,073.44 × 124,504
  4. Step 4: Simplify right side
    230,488x = 39,601,415,573.76
  5. Step 5: Solve for x
    x = 39,601,415,573.76/230,488
  6. Step 6: Final answer
    x = 171,815.52

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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.