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Finding the Fourth Proportional to 173,676.30, 260,514.45 and 61,483.20

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Solution

The fourth proportional to 173,676.30, 260,514.45 and 61,483.20 is: 92,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,676.30 : 260,514.45 = 61,483.20 : x
  2. Step 2: Convert to fraction form
    173,676.30/260,514.45 = 61,483.20/x
  3. Step 3: Cross multiply
    173,676.30x = 260,514.45 × 61,483.20
  4. Step 4: Simplify right side
    173,676.30x = 16,017,262,032.24
  5. Step 5: Solve for x
    x = 16,017,262,032.24/173,676.30
  6. Step 6: Final answer
    x = 92,224.80

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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.