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Finding the Fourth Proportional to 186,795,461.80, 279,689,307.90 and 186,795,461.80

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Solution

The fourth proportional to 186,795,461.80, 279,689,307.90 and 186,795,461.80 is: 279,689,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,795,461.80 : 279,689,307.90 = 186,795,461.80 : x
  2. Step 2: Convert to fraction form
    186,795,461.80/279,689,307.90 = 186,795,461.80/x
  3. Step 3: Cross multiply
    186,795,461.80x = 279,689,307.90 × 186,795,461.80
  4. Step 4: Simplify right side
    186,795,461.80x = 52,244,693,429,702,888
  5. Step 5: Solve for x
    x = 52,244,693,429,702,888/186,795,461.80
  6. Step 6: Final answer
    x = 279,689,307.90

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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.