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Finding the Fourth Proportional to 144,835.88, 217,254.11 and 61,729.88

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Solution

The fourth proportional to 144,835.88, 217,254.11 and 61,729.88 is: 92,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,835.88 : 217,254.11 = 61,729.88 : x
  2. Step 2: Convert to fraction form
    144,835.88/217,254.11 = 61,729.88/x
  3. Step 3: Cross multiply
    144,835.88x = 217,254.11 × 61,729.88
  4. Step 4: Simplify right side
    144,835.88x = 13,411,068,744.89
  5. Step 5: Solve for x
    x = 13,411,068,744.89/144,835.88
  6. Step 6: Final answer
    x = 92,594.94

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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.