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Finding the Fourth Proportional to 104,295.40, 143,927.78 and 56,548.52

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Solution

The fourth proportional to 104,295.40, 143,927.78 and 56,548.52 is: 78,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,295.40 : 143,927.78 = 56,548.52 : x
  2. Step 2: Convert to fraction form
    104,295.40/143,927.78 = 56,548.52/x
  3. Step 3: Cross multiply
    104,295.40x = 143,927.78 × 56,548.52
  4. Step 4: Simplify right side
    104,295.40x = 8,138,902,945.89
  5. Step 5: Solve for x
    x = 8,138,902,945.89/104,295.40
  6. Step 6: Final answer
    x = 78,037.03

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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.