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Finding the Fourth Proportional to 173,047.60, 259,644.30 and 94,218.40

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Solution

The fourth proportional to 173,047.60, 259,644.30 and 94,218.40 is: 141,367.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,047.60 : 259,644.30 = 94,218.40 : x
  2. Step 2: Convert to fraction form
    173,047.60/259,644.30 = 94,218.40/x
  3. Step 3: Cross multiply
    173,047.60x = 259,644.30 × 94,218.40
  4. Step 4: Simplify right side
    173,047.60x = 24,463,270,515.12
  5. Step 5: Solve for x
    x = 24,463,270,515.12/173,047.60
  6. Step 6: Final answer
    x = 141,367.29

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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.