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Finding the Fourth Proportional to 190,699.80, 266,629.80 and 190,699.80

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Solution

The fourth proportional to 190,699.80, 266,629.80 and 190,699.80 is: 266,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,699.80 : 266,629.80 = 190,699.80 : x
  2. Step 2: Convert to fraction form
    190,699.80/266,629.80 = 190,699.80/x
  3. Step 3: Cross multiply
    190,699.80x = 266,629.80 × 190,699.80
  4. Step 4: Simplify right side
    190,699.80x = 50,846,249,534.04
  5. Step 5: Solve for x
    x = 50,846,249,534.04/190,699.80
  6. Step 6: Final answer
    x = 266,629.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.