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Finding the Fourth Proportional to 247,968.84, 342,196.74 and 134,792.40

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Solution

The fourth proportional to 247,968.84, 342,196.74 and 134,792.40 is: 186,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,968.84 : 342,196.74 = 134,792.40 : x
  2. Step 2: Convert to fraction form
    247,968.84/342,196.74 = 134,792.40/x
  3. Step 3: Cross multiply
    247,968.84x = 342,196.74 × 134,792.40
  4. Step 4: Simplify right side
    247,968.84x = 46,125,519,856.78
  5. Step 5: Solve for x
    x = 46,125,519,856.78/247,968.84
  6. Step 6: Final answer
    x = 186,013.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.