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Finding the Fourth Proportional to 173,248, 259,872 and 41,920

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Solution

The fourth proportional to 173,248, 259,872 and 41,920 is: 62,880

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,248 : 259,872 = 41,920 : x
  2. Step 2: Convert to fraction form
    173,248/259,872 = 41,920/x
  3. Step 3: Cross multiply
    173,248x = 259,872 × 41,920
  4. Step 4: Simplify right side
    173,248x = 10,893,834,240
  5. Step 5: Solve for x
    x = 10,893,834,240/173,248
  6. Step 6: Final answer
    x = 62,880

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.