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Finding the Fourth Proportional to 94,706.92, 141,904.27 and 84,940.75

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Solution

The fourth proportional to 94,706.92, 141,904.27 and 84,940.75 is: 127,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,706.92 : 141,904.27 = 84,940.75 : x
  2. Step 2: Convert to fraction form
    94,706.92/141,904.27 = 84,940.75/x
  3. Step 3: Cross multiply
    94,706.92x = 141,904.27 × 84,940.75
  4. Step 4: Simplify right side
    94,706.92x = 12,053,455,405.56
  5. Step 5: Solve for x
    x = 12,053,455,405.56/94,706.92
  6. Step 6: Final answer
    x = 127,271.11

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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.