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Finding the Fourth Proportional to 107,654.60, 162,493.09 and 107,654.60

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Solution

The fourth proportional to 107,654.60, 162,493.09 and 107,654.60 is: 162,493.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,654.60 : 162,493.09 = 107,654.60 : x
  2. Step 2: Convert to fraction form
    107,654.60/162,493.09 = 107,654.60/x
  3. Step 3: Cross multiply
    107,654.60x = 162,493.09 × 107,654.60
  4. Step 4: Simplify right side
    107,654.60x = 17,493,128,743.81
  5. Step 5: Solve for x
    x = 17,493,128,743.81/107,654.60
  6. Step 6: Final answer
    x = 162,493.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.