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Finding the Fourth Proportional to 186,245,554.56, 256,978,330.56 and 112,924,717.44

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Solution

The fourth proportional to 186,245,554.56, 256,978,330.56 and 112,924,717.44 is: 155,811,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,245,554.56 : 256,978,330.56 = 112,924,717.44 : x
  2. Step 2: Convert to fraction form
    186,245,554.56/256,978,330.56 = 112,924,717.44/x
  3. Step 3: Cross multiply
    186,245,554.56x = 256,978,330.56 × 112,924,717.44
  4. Step 4: Simplify right side
    186,245,554.56x = 29,019,205,366,690,916
  5. Step 5: Solve for x
    x = 29,019,205,366,690,916/186,245,554.56
  6. Step 6: Final answer
    x = 155,811,532.98

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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.