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Finding the Fourth Proportional to 71,926.84, 99,305.16 and 46,444.60

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Solution

The fourth proportional to 71,926.84, 99,305.16 and 46,444.60 is: 64,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,926.84 : 99,305.16 = 46,444.60 : x
  2. Step 2: Convert to fraction form
    71,926.84/99,305.16 = 46,444.60/x
  3. Step 3: Cross multiply
    71,926.84x = 99,305.16 × 46,444.60
  4. Step 4: Simplify right side
    71,926.84x = 4,612,188,434.14
  5. Step 5: Solve for x
    x = 4,612,188,434.14/71,926.84
  6. Step 6: Final answer
    x = 64,123.33

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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.