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Finding the Fourth Proportional to 173,099.80, 259,765.80 and 60,779.80

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Solution

The fourth proportional to 173,099.80, 259,765.80 and 60,779.80 is: 91,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,099.80 : 259,765.80 = 60,779.80 : x
  2. Step 2: Convert to fraction form
    173,099.80/259,765.80 = 60,779.80/x
  3. Step 3: Cross multiply
    173,099.80x = 259,765.80 × 60,779.80
  4. Step 4: Simplify right side
    173,099.80x = 15,788,513,370.84
  5. Step 5: Solve for x
    x = 15,788,513,370.84/173,099.80
  6. Step 6: Final answer
    x = 91,210.47

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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.