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Finding the Fourth Proportional to 77,899.73, 107,523.65 and 46,079.69

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Solution

The fourth proportional to 77,899.73, 107,523.65 and 46,079.69 is: 63,603.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,899.73 : 107,523.65 = 46,079.69 : x
  2. Step 2: Convert to fraction form
    77,899.73/107,523.65 = 46,079.69/x
  3. Step 3: Cross multiply
    77,899.73x = 107,523.65 × 46,079.69
  4. Step 4: Simplify right side
    77,899.73x = 4,954,656,037.25
  5. Step 5: Solve for x
    x = 4,954,656,037.25/77,899.73
  6. Step 6: Final answer
    x = 63,603.00

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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.