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Finding the Fourth Proportional to 248,290.72, 371,775.04 and 169,558.72

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Solution

The fourth proportional to 248,290.72, 371,775.04 and 169,558.72 is: 253,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,290.72 : 371,775.04 = 169,558.72 : x
  2. Step 2: Convert to fraction form
    248,290.72/371,775.04 = 169,558.72/x
  3. Step 3: Cross multiply
    248,290.72x = 371,775.04 × 169,558.72
  4. Step 4: Simplify right side
    248,290.72x = 63,037,699,910.35
  5. Step 5: Solve for x
    x = 63,037,699,910.35/248,290.72
  6. Step 6: Final answer
    x = 253,886.65

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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.