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Finding the Fourth Proportional to 186,653,487.60, 279,980,231.40 and 167,841,788.40

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Solution

The fourth proportional to 186,653,487.60, 279,980,231.40 and 167,841,788.40 is: 251,762,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,653,487.60 : 279,980,231.40 = 167,841,788.40 : x
  2. Step 2: Convert to fraction form
    186,653,487.60/279,980,231.40 = 167,841,788.40/x
  3. Step 3: Cross multiply
    186,653,487.60x = 279,980,231.40 × 167,841,788.40
  4. Step 4: Simplify right side
    186,653,487.60x = 46,992,382,754,821,832
  5. Step 5: Solve for x
    x = 46,992,382,754,821,832/186,653,487.60
  6. Step 6: Final answer
    x = 251,762,682.60

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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.