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Finding the Fourth Proportional to 65,888,200.60, 98,832,300.90 and 18,019,144.60

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Solution

The fourth proportional to 65,888,200.60, 98,832,300.90 and 18,019,144.60 is: 27,028,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,888,200.60 : 98,832,300.90 = 18,019,144.60 : x
  2. Step 2: Convert to fraction form
    65,888,200.60/98,832,300.90 = 18,019,144.60/x
  3. Step 3: Cross multiply
    65,888,200.60x = 98,832,300.90 × 18,019,144.60
  4. Step 4: Simplify right side
    65,888,200.60x = 1,780,873,521,067,810.50
  5. Step 5: Solve for x
    x = 1,780,873,521,067,810.50/65,888,200.60
  6. Step 6: Final answer
    x = 27,028,716.90

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