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Finding the Fourth Proportional to 133,773.80, 200,681.43 and 45,020.38

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Solution

The fourth proportional to 133,773.80, 200,681.43 and 45,020.38 is: 67,537.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,773.80 : 200,681.43 = 45,020.38 : x
  2. Step 2: Convert to fraction form
    133,773.80/200,681.43 = 45,020.38/x
  3. Step 3: Cross multiply
    133,773.80x = 200,681.43 × 45,020.38
  4. Step 4: Simplify right side
    133,773.80x = 9,034,754,657.22
  5. Step 5: Solve for x
    x = 9,034,754,657.22/133,773.80
  6. Step 6: Final answer
    x = 67,537.55

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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.