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Finding the Fourth Proportional to 173,877.80, 260,751.90 and 61,514.60

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Solution

The fourth proportional to 173,877.80, 260,751.90 and 61,514.60 is: 92,248.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,877.80 : 260,751.90 = 61,514.60 : x
  2. Step 2: Convert to fraction form
    173,877.80/260,751.90 = 61,514.60/x
  3. Step 3: Cross multiply
    173,877.80x = 260,751.90 × 61,514.60
  4. Step 4: Simplify right side
    173,877.80x = 16,040,048,827.74
  5. Step 5: Solve for x
    x = 16,040,048,827.74/173,877.80
  6. Step 6: Final answer
    x = 92,248.98

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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.