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Finding the Fourth Proportional to 133,957.60, 201,166.80 and 94,789.60

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Solution

The fourth proportional to 133,957.60, 201,166.80 and 94,789.60 is: 142,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,957.60 : 201,166.80 = 94,789.60 : x
  2. Step 2: Convert to fraction form
    133,957.60/201,166.80 = 94,789.60/x
  3. Step 3: Cross multiply
    133,957.60x = 201,166.80 × 94,789.60
  4. Step 4: Simplify right side
    133,957.60x = 19,068,520,505.28
  5. Step 5: Solve for x
    x = 19,068,520,505.28/133,957.60
  6. Step 6: Final answer
    x = 142,347.43

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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.