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Finding the Fourth Proportional to 173,113.74, 259,699.32 and 60,764.81

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Solution

The fourth proportional to 173,113.74, 259,699.32 and 60,764.81 is: 91,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,113.74 : 259,699.32 = 60,764.81 : x
  2. Step 2: Convert to fraction form
    173,113.74/259,699.32 = 60,764.81/x
  3. Step 3: Cross multiply
    173,113.74x = 259,699.32 × 60,764.81
  4. Step 4: Simplify right side
    173,113.74x = 15,780,580,486.18
  5. Step 5: Solve for x
    x = 15,780,580,486.18/173,113.74
  6. Step 6: Final answer
    x = 91,157.30

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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.