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Finding the Fourth Proportional to 136,354.57, 204,554.01 and 40,301.53

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Solution

The fourth proportional to 136,354.57, 204,554.01 and 40,301.53 is: 60,458.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,354.57 : 204,554.01 = 40,301.53 : x
  2. Step 2: Convert to fraction form
    136,354.57/204,554.01 = 40,301.53/x
  3. Step 3: Cross multiply
    136,354.57x = 204,554.01 × 40,301.53
  4. Step 4: Simplify right side
    136,354.57x = 8,243,838,346.36
  5. Step 5: Solve for x
    x = 8,243,838,346.36/136,354.57
  6. Step 6: Final answer
    x = 60,458.84

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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.