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Finding the Fourth Proportional to 136,534.63, 204,893.04 and 47,788.14

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Solution

The fourth proportional to 136,534.63, 204,893.04 and 47,788.14 is: 71,714.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,534.63 : 204,893.04 = 47,788.14 : x
  2. Step 2: Convert to fraction form
    136,534.63/204,893.04 = 47,788.14/x
  3. Step 3: Cross multiply
    136,534.63x = 204,893.04 × 47,788.14
  4. Step 4: Simplify right side
    136,534.63x = 9,791,457,280.55
  5. Step 5: Solve for x
    x = 9,791,457,280.55/136,534.63
  6. Step 6: Final answer
    x = 71,714.09

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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.