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Finding the Fourth Proportional to 151,310.63, 226,838.88 and 65,857.66

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Solution

The fourth proportional to 151,310.63, 226,838.88 and 65,857.66 is: 98,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,310.63 : 226,838.88 = 65,857.66 : x
  2. Step 2: Convert to fraction form
    151,310.63/226,838.88 = 65,857.66/x
  3. Step 3: Cross multiply
    151,310.63x = 226,838.88 × 65,857.66
  4. Step 4: Simplify right side
    151,310.63x = 14,939,077,266.72
  5. Step 5: Solve for x
    x = 14,939,077,266.72/151,310.63
  6. Step 6: Final answer
    x = 98,731.18

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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.