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Finding the Fourth Proportional to 186,245,555.06, 256,978,331.24 and 112,924,717.94

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Solution

The fourth proportional to 186,245,555.06, 256,978,331.24 and 112,924,717.94 is: 155,811,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,245,555.06 : 256,978,331.24 = 112,924,717.94 : x
  2. Step 2: Convert to fraction form
    186,245,555.06/256,978,331.24 = 112,924,717.94/x
  3. Step 3: Cross multiply
    186,245,555.06x = 256,978,331.24 × 112,924,717.94
  4. Step 4: Simplify right side
    186,245,555.06x = 29,019,205,571,968,892
  5. Step 5: Solve for x
    x = 29,019,205,571,968,892/186,245,555.06
  6. Step 6: Final answer
    x = 155,811,533.66

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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.