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Finding the Fourth Proportional to 266,160.93, 367,307.65 and 145,307.31

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Solution

The fourth proportional to 266,160.93, 367,307.65 and 145,307.31 is: 200,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,160.93 : 367,307.65 = 145,307.31 : x
  2. Step 2: Convert to fraction form
    266,160.93/367,307.65 = 145,307.31/x
  3. Step 3: Cross multiply
    266,160.93x = 367,307.65 × 145,307.31
  4. Step 4: Simplify right side
    266,160.93x = 53,372,485,837.39
  5. Step 5: Solve for x
    x = 53,372,485,837.39/266,160.93
  6. Step 6: Final answer
    x = 200,527.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.