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Finding the Fourth Proportional to 169,002.60, 253,503.90 and 98,845.80

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Solution

The fourth proportional to 169,002.60, 253,503.90 and 98,845.80 is: 148,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,002.60 : 253,503.90 = 98,845.80 : x
  2. Step 2: Convert to fraction form
    169,002.60/253,503.90 = 98,845.80/x
  3. Step 3: Cross multiply
    169,002.60x = 253,503.90 × 98,845.80
  4. Step 4: Simplify right side
    169,002.60x = 25,057,795,798.62
  5. Step 5: Solve for x
    x = 25,057,795,798.62/169,002.60
  6. Step 6: Final answer
    x = 148,268.70

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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.