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Finding the Fourth Proportional to 173,061.80, 259,708.80 and 60,741.80

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Solution

The fourth proportional to 173,061.80, 259,708.80 and 60,741.80 is: 91,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,061.80 : 259,708.80 = 60,741.80 : x
  2. Step 2: Convert to fraction form
    173,061.80/259,708.80 = 60,741.80/x
  3. Step 3: Cross multiply
    173,061.80x = 259,708.80 × 60,741.80
  4. Step 4: Simplify right side
    173,061.80x = 15,775,179,987.84
  5. Step 5: Solve for x
    x = 15,775,179,987.84/173,061.80
  6. Step 6: Final answer
    x = 91,153.45

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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.