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Finding the Fourth Proportional to 242,348.70, 362,745.45 and 172,364.70

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Solution

The fourth proportional to 242,348.70, 362,745.45 and 172,364.70 is: 257,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,348.70 : 362,745.45 = 172,364.70 : x
  2. Step 2: Convert to fraction form
    242,348.70/362,745.45 = 172,364.70/x
  3. Step 3: Cross multiply
    242,348.70x = 362,745.45 × 172,364.70
  4. Step 4: Simplify right side
    242,348.70x = 62,524,510,665.62
  5. Step 5: Solve for x
    x = 62,524,510,665.62/242,348.70
  6. Step 6: Final answer
    x = 257,994.00

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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.