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Finding the Fourth Proportional to 136,159.94, 204,261.84 and 57,296.72

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Solution

The fourth proportional to 136,159.94, 204,261.84 and 57,296.72 is: 85,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,159.94 : 204,261.84 = 57,296.72 : x
  2. Step 2: Convert to fraction form
    136,159.94/204,261.84 = 57,296.72/x
  3. Step 3: Cross multiply
    136,159.94x = 204,261.84 × 57,296.72
  4. Step 4: Simplify right side
    136,159.94x = 11,703,532,431.86
  5. Step 5: Solve for x
    x = 11,703,532,431.86/136,159.94
  6. Step 6: Final answer
    x = 85,954.30

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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.