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Finding the Fourth Proportional to 186,245,560.06, 256,978,338.15 and 112,924,722.94

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Solution

The fourth proportional to 186,245,560.06, 256,978,338.15 and 112,924,722.94 is: 155,811,540.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,245,560.06 : 256,978,338.15 = 112,924,722.94 : x
  2. Step 2: Convert to fraction form
    186,245,560.06/256,978,338.15 = 112,924,722.94/x
  3. Step 3: Cross multiply
    186,245,560.06x = 256,978,338.15 × 112,924,722.94
  4. Step 4: Simplify right side
    186,245,560.06x = 29,019,207,637,170,384
  5. Step 5: Solve for x
    x = 29,019,207,637,170,384/186,245,560.06
  6. Step 6: Final answer
    x = 155,811,540.57

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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.