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Finding the Fourth Proportional to 173,425.89, 259,981.08 and 66,741.81

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Solution

The fourth proportional to 173,425.89, 259,981.08 and 66,741.81 is: 100,052.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,425.89 : 259,981.08 = 66,741.81 : x
  2. Step 2: Convert to fraction form
    173,425.89/259,981.08 = 66,741.81/x
  3. Step 3: Cross multiply
    173,425.89x = 259,981.08 × 66,741.81
  4. Step 4: Simplify right side
    173,425.89x = 17,351,607,844.95
  5. Step 5: Solve for x
    x = 17,351,607,844.95/173,425.89
  6. Step 6: Final answer
    x = 100,052.00

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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.