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Finding the Fourth Proportional to 104,497.72, 144,206.82 and 56,751.08

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Solution

The fourth proportional to 104,497.72, 144,206.82 and 56,751.08 is: 78,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,497.72 : 144,206.82 = 56,751.08 : x
  2. Step 2: Convert to fraction form
    104,497.72/144,206.82 = 56,751.08/x
  3. Step 3: Cross multiply
    104,497.72x = 144,206.82 × 56,751.08
  4. Step 4: Simplify right side
    104,497.72x = 8,183,892,778.37
  5. Step 5: Solve for x
    x = 8,183,892,778.37/104,497.72
  6. Step 6: Final answer
    x = 78,316.47

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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.