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Finding the Fourth Proportional to 168,784.60, 253,004.10 and 98,627.80

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Solution

The fourth proportional to 168,784.60, 253,004.10 and 98,627.80 is: 147,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,784.60 : 253,004.10 = 98,627.80 : x
  2. Step 2: Convert to fraction form
    168,784.60/253,004.10 = 98,627.80/x
  3. Step 3: Cross multiply
    168,784.60x = 253,004.10 × 98,627.80
  4. Step 4: Simplify right side
    168,784.60x = 24,953,237,773.98
  5. Step 5: Solve for x
    x = 24,953,237,773.98/168,784.60
  6. Step 6: Final answer
    x = 147,840.73

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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.