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Finding the Fourth Proportional to 123,798.31, 185,709.76 and 44,918.68

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Solution

The fourth proportional to 123,798.31, 185,709.76 and 44,918.68 is: 67,382.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,798.31 : 185,709.76 = 44,918.68 : x
  2. Step 2: Convert to fraction form
    123,798.31/185,709.76 = 44,918.68/x
  3. Step 3: Cross multiply
    123,798.31x = 185,709.76 × 44,918.68
  4. Step 4: Simplify right side
    123,798.31x = 8,341,837,282.32
  5. Step 5: Solve for x
    x = 8,341,837,282.32/123,798.31
  6. Step 6: Final answer
    x = 67,382.48

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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.