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Finding the Fourth Proportional to 2,134,951.07, 2,946,229.02 and 1,168,085.25

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Solution

The fourth proportional to 2,134,951.07, 2,946,229.02 and 1,168,085.25 is: 1,611,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,951.07 : 2,946,229.02 = 1,168,085.25 : x
  2. Step 2: Convert to fraction form
    2,134,951.07/2,946,229.02 = 1,168,085.25/x
  3. Step 3: Cross multiply
    2,134,951.07x = 2,946,229.02 × 1,168,085.25
  4. Step 4: Simplify right side
    2,134,951.07x = 3,441,446,661,383.96
  5. Step 5: Solve for x
    x = 3,441,446,661,383.96/2,134,951.07
  6. Step 6: Final answer
    x = 1,611,955.76

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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.