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Finding the Fourth Proportional to 144,818.60, 217,163.10 and 56,042.60

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Solution

The fourth proportional to 144,818.60, 217,163.10 and 56,042.60 is: 84,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,818.60 : 217,163.10 = 56,042.60 : x
  2. Step 2: Convert to fraction form
    144,818.60/217,163.10 = 56,042.60/x
  3. Step 3: Cross multiply
    144,818.60x = 217,163.10 × 56,042.60
  4. Step 4: Simplify right side
    144,818.60x = 12,170,384,748.06
  5. Step 5: Solve for x
    x = 12,170,384,748.06/144,818.60
  6. Step 6: Final answer
    x = 84,038.82

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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.