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Finding the Fourth Proportional to 168,497,268.80, 252,745,903.20 and 95,685,915.20

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Solution

The fourth proportional to 168,497,268.80, 252,745,903.20 and 95,685,915.20 is: 143,528,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,497,268.80 : 252,745,903.20 = 95,685,915.20 : x
  2. Step 2: Convert to fraction form
    168,497,268.80/252,745,903.20 = 95,685,915.20/x
  3. Step 3: Cross multiply
    168,497,268.80x = 252,745,903.20 × 95,685,915.20
  4. Step 4: Simplify right side
    168,497,268.80x = 24,184,223,060,742,608
  5. Step 5: Solve for x
    x = 24,184,223,060,742,608/168,497,268.80
  6. Step 6: Final answer
    x = 143,528,872.80

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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.