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Finding the Fourth Proportional to 96,827.80, 145,241.70 and 57,364.60

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Solution

The fourth proportional to 96,827.80, 145,241.70 and 57,364.60 is: 86,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,827.80 : 145,241.70 = 57,364.60 : x
  2. Step 2: Convert to fraction form
    96,827.80/145,241.70 = 57,364.60/x
  3. Step 3: Cross multiply
    96,827.80x = 145,241.70 × 57,364.60
  4. Step 4: Simplify right side
    96,827.80x = 8,331,732,023.82
  5. Step 5: Solve for x
    x = 8,331,732,023.82/96,827.80
  6. Step 6: Final answer
    x = 86,046.90

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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.