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Finding the Fourth Proportional to 104,556, 144,287.96 and 56,809.34

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Solution

The fourth proportional to 104,556, 144,287.96 and 56,809.34 is: 78,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,556 : 144,287.96 = 56,809.34 : x
  2. Step 2: Convert to fraction form
    104,556/144,287.96 = 56,809.34/x
  3. Step 3: Cross multiply
    104,556x = 144,287.96 × 56,809.34
  4. Step 4: Simplify right side
    104,556x = 8,196,902,772.06
  5. Step 5: Solve for x
    x = 8,196,902,772.06/104,556
  6. Step 6: Final answer
    x = 78,397.25

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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.