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Finding the Fourth Proportional to 247,984.84, 342,222.90 and 134,808.04

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Solution

The fourth proportional to 247,984.84, 342,222.90 and 134,808.04 is: 186,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,984.84 : 342,222.90 = 134,808.04 : x
  2. Step 2: Convert to fraction form
    247,984.84/342,222.90 = 134,808.04/x
  3. Step 3: Cross multiply
    247,984.84x = 342,222.90 × 134,808.04
  4. Step 4: Simplify right side
    247,984.84x = 46,134,398,392.12
  5. Step 5: Solve for x
    x = 46,134,398,392.12/247,984.84
  6. Step 6: Final answer
    x = 186,037.17

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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.