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Finding the Fourth Proportional to 123,632.69, 185,400.51 and 43,653.60

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Solution

The fourth proportional to 123,632.69, 185,400.51 and 43,653.60 is: 65,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,632.69 : 185,400.51 = 43,653.60 : x
  2. Step 2: Convert to fraction form
    123,632.69/185,400.51 = 43,653.60/x
  3. Step 3: Cross multiply
    123,632.69x = 185,400.51 × 43,653.60
  4. Step 4: Simplify right side
    123,632.69x = 8,093,399,703.34
  5. Step 5: Solve for x
    x = 8,093,399,703.34/123,632.69
  6. Step 6: Final answer
    x = 65,463.27

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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.