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Finding the Fourth Proportional to 103,764.96, 155,295.59 and 63,809.04

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Solution

The fourth proportional to 103,764.96, 155,295.59 and 63,809.04 is: 95,497.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,764.96 : 155,295.59 = 63,809.04 : x
  2. Step 2: Convert to fraction form
    103,764.96/155,295.59 = 63,809.04/x
  3. Step 3: Cross multiply
    103,764.96x = 155,295.59 × 63,809.04
  4. Step 4: Simplify right side
    103,764.96x = 9,909,262,514.13
  5. Step 5: Solve for x
    x = 9,909,262,514.13/103,764.96
  6. Step 6: Final answer
    x = 95,497.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.