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Finding the Fourth Proportional to 248,053.98, 372,078.54 and 70,537.62

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Solution

The fourth proportional to 248,053.98, 372,078.54 and 70,537.62 is: 105,805.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,053.98 : 372,078.54 = 70,537.62 : x
  2. Step 2: Convert to fraction form
    248,053.98/372,078.54 = 70,537.62/x
  3. Step 3: Cross multiply
    248,053.98x = 372,078.54 × 70,537.62
  4. Step 4: Simplify right side
    248,053.98x = 26,245,534,664.67
  5. Step 5: Solve for x
    x = 26,245,534,664.67/248,053.98
  6. Step 6: Final answer
    x = 105,805.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.