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Finding the Fourth Proportional to 186,685,449.45, 279,490,090.10 and 186,685,449.45

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Solution

The fourth proportional to 186,685,449.45, 279,490,090.10 and 186,685,449.45 is: 279,490,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,685,449.45 : 279,490,090.10 = 186,685,449.45 : x
  2. Step 2: Convert to fraction form
    186,685,449.45/279,490,090.10 = 186,685,449.45/x
  3. Step 3: Cross multiply
    186,685,449.45x = 279,490,090.10 × 186,685,449.45
  4. Step 4: Simplify right side
    186,685,449.45x = 52,176,733,086,206,072
  5. Step 5: Solve for x
    x = 52,176,733,086,206,072/186,685,449.45
  6. Step 6: Final answer
    x = 279,490,090.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.