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Finding the Fourth Proportional to 186,728,068.80, 279,588,218.40 and 186,728,068.80

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Solution

The fourth proportional to 186,728,068.80, 279,588,218.40 and 186,728,068.80 is: 279,588,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,728,068.80 : 279,588,218.40 = 186,728,068.80 : x
  2. Step 2: Convert to fraction form
    186,728,068.80/279,588,218.40 = 186,728,068.80/x
  3. Step 3: Cross multiply
    186,728,068.80x = 279,588,218.40 × 186,728,068.80
  4. Step 4: Simplify right side
    186,728,068.80x = 52,206,968,081,064,624
  5. Step 5: Solve for x
    x = 52,206,968,081,064,624/186,728,068.80
  6. Step 6: Final answer
    x = 279,588,218.40

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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.