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Finding the Fourth Proportional to 84,172.80, 116,156.16 and 46,444.32

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Solution

The fourth proportional to 84,172.80, 116,156.16 and 46,444.32 is: 64,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,172.80 : 116,156.16 = 46,444.32 : x
  2. Step 2: Convert to fraction form
    84,172.80/116,156.16 = 46,444.32/x
  3. Step 3: Cross multiply
    84,172.80x = 116,156.16 × 46,444.32
  4. Step 4: Simplify right side
    84,172.80x = 5,394,793,865.01
  5. Step 5: Solve for x
    x = 5,394,793,865.01/84,172.80
  6. Step 6: Final answer
    x = 64,091.89

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