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Finding the Fourth Proportional to 168,693.30, 253,149.30 and 97,615.80

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Solution

The fourth proportional to 168,693.30, 253,149.30 and 97,615.80 is: 146,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,693.30 : 253,149.30 = 97,615.80 : x
  2. Step 2: Convert to fraction form
    168,693.30/253,149.30 = 97,615.80/x
  3. Step 3: Cross multiply
    168,693.30x = 253,149.30 × 97,615.80
  4. Step 4: Simplify right side
    168,693.30x = 24,711,371,438.94
  5. Step 5: Solve for x
    x = 24,711,371,438.94/168,693.30
  6. Step 6: Final answer
    x = 146,486.98

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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.