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Finding the Fourth Proportional to 136,590.96, 204,886.44 and 43,104

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Solution

The fourth proportional to 136,590.96, 204,886.44 and 43,104 is: 64,656.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,590.96 : 204,886.44 = 43,104 : x
  2. Step 2: Convert to fraction form
    136,590.96/204,886.44 = 43,104/x
  3. Step 3: Cross multiply
    136,590.96x = 204,886.44 × 43,104
  4. Step 4: Simplify right side
    136,590.96x = 8,831,425,109.76
  5. Step 5: Solve for x
    x = 8,831,425,109.76/136,590.96
  6. Step 6: Final answer
    x = 64,656.00

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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.