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Finding the Fourth Proportional to 104,696.80, 144,483.96 and 56,952.70

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Solution

The fourth proportional to 104,696.80, 144,483.96 and 56,952.70 is: 78,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,696.80 : 144,483.96 = 56,952.70 : x
  2. Step 2: Convert to fraction form
    104,696.80/144,483.96 = 56,952.70/x
  3. Step 3: Cross multiply
    104,696.80x = 144,483.96 × 56,952.70
  4. Step 4: Simplify right side
    104,696.80x = 8,228,751,628.69
  5. Step 5: Solve for x
    x = 8,228,751,628.69/104,696.80
  6. Step 6: Final answer
    x = 78,596.02

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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.