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Finding the Fourth Proportional to 65,888,179.86, 98,693,232.21 and 52,863,815.64

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Solution

The fourth proportional to 65,888,179.86, 98,693,232.21 and 52,863,815.64 is: 79,184,169.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,888,179.86 : 98,693,232.21 = 52,863,815.64 : x
  2. Step 2: Convert to fraction form
    65,888,179.86/98,693,232.21 = 52,863,815.64/x
  3. Step 3: Cross multiply
    65,888,179.86x = 98,693,232.21 × 52,863,815.64
  4. Step 4: Simplify right side
    65,888,179.86x = 5,217,300,832,465,149
  5. Step 5: Solve for x
    x = 5,217,300,832,465,149/65,888,179.86
  6. Step 6: Final answer
    x = 79,184,169.96

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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.