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Finding the Fourth Proportional to 173,143.80, 259,934.40 and 93,245.40

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Solution

The fourth proportional to 173,143.80, 259,934.40 and 93,245.40 is: 139,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,143.80 : 259,934.40 = 93,245.40 : x
  2. Step 2: Convert to fraction form
    173,143.80/259,934.40 = 93,245.40/x
  3. Step 3: Cross multiply
    173,143.80x = 259,934.40 × 93,245.40
  4. Step 4: Simplify right side
    173,143.80x = 24,237,687,101.76
  5. Step 5: Solve for x
    x = 24,237,687,101.76/173,143.80
  6. Step 6: Final answer
    x = 139,985.88

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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.