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Finding the Fourth Proportional to 169,669.80, 254,504.70 and 69,834.60

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Solution

The fourth proportional to 169,669.80, 254,504.70 and 69,834.60 is: 104,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,669.80 : 254,504.70 = 69,834.60 : x
  2. Step 2: Convert to fraction form
    169,669.80/254,504.70 = 69,834.60/x
  3. Step 3: Cross multiply
    169,669.80x = 254,504.70 × 69,834.60
  4. Step 4: Simplify right side
    169,669.80x = 17,773,233,922.62
  5. Step 5: Solve for x
    x = 17,773,233,922.62/169,669.80
  6. Step 6: Final answer
    x = 104,751.90

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1.5x scale

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.