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Finding the Fourth Proportional to 195,397.96, 269,649.66 and 105,973.96

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Solution

The fourth proportional to 195,397.96, 269,649.66 and 105,973.96 is: 146,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,397.96 : 269,649.66 = 105,973.96 : x
  2. Step 2: Convert to fraction form
    195,397.96/269,649.66 = 105,973.96/x
  3. Step 3: Cross multiply
    195,397.96x = 269,649.66 × 105,973.96
  4. Step 4: Simplify right side
    195,397.96x = 28,575,842,282.85
  5. Step 5: Solve for x
    x = 28,575,842,282.85/195,397.96
  6. Step 6: Final answer
    x = 146,244.32

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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.