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Finding the Fourth Proportional to 104,472.44, 144,184.72 and 61,449.88

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Solution

The fourth proportional to 104,472.44, 144,184.72 and 61,449.88 is: 84,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,472.44 : 144,184.72 = 61,449.88 : x
  2. Step 2: Convert to fraction form
    104,472.44/144,184.72 = 61,449.88/x
  3. Step 3: Cross multiply
    104,472.44x = 144,184.72 × 61,449.88
  4. Step 4: Simplify right side
    104,472.44x = 8,860,133,741.83
  5. Step 5: Solve for x
    x = 8,860,133,741.83/104,472.44
  6. Step 6: Final answer
    x = 84,808.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.