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Finding the Fourth Proportional to 104,273.34, 143,895.87 and 56,526.54

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Solution

The fourth proportional to 104,273.34, 143,895.87 and 56,526.54 is: 78,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,273.34 : 143,895.87 = 56,526.54 : x
  2. Step 2: Convert to fraction form
    104,273.34/143,895.87 = 56,526.54/x
  3. Step 3: Cross multiply
    104,273.34x = 143,895.87 × 56,526.54
  4. Step 4: Simplify right side
    104,273.34x = 8,133,935,651.39
  5. Step 5: Solve for x
    x = 8,133,935,651.39/104,273.34
  6. Step 6: Final answer
    x = 78,005.90

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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.