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Finding the Fourth Proportional to 194,292, 268,239.60 and 127,340.64

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Solution

The fourth proportional to 194,292, 268,239.60 and 127,340.64 is: 175,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,292 : 268,239.60 = 127,340.64 : x
  2. Step 2: Convert to fraction form
    194,292/268,239.60 = 127,340.64/x
  3. Step 3: Cross multiply
    194,292x = 268,239.60 × 127,340.64
  4. Step 4: Simplify right side
    194,292x = 34,157,802,337.34
  5. Step 5: Solve for x
    x = 34,157,802,337.34/194,292
  6. Step 6: Final answer
    x = 175,806.53

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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.