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Finding the Fourth Proportional to 104,243.65, 143,852.38 and 56,495.98

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Solution

The fourth proportional to 104,243.65, 143,852.38 and 56,495.98 is: 77,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,243.65 : 143,852.38 = 56,495.98 : x
  2. Step 2: Convert to fraction form
    104,243.65/143,852.38 = 56,495.98/x
  3. Step 3: Cross multiply
    104,243.65x = 143,852.38 × 56,495.98
  4. Step 4: Simplify right side
    104,243.65x = 8,127,081,183.43
  5. Step 5: Solve for x
    x = 8,127,081,183.43/104,243.65
  6. Step 6: Final answer
    x = 77,962.36

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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.