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Finding the Fourth Proportional to 169,063.30, 233,314.62 and 93,611.80

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Solution

The fourth proportional to 169,063.30, 233,314.62 and 93,611.80 is: 129,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,063.30 : 233,314.62 = 93,611.80 : x
  2. Step 2: Convert to fraction form
    169,063.30/233,314.62 = 93,611.80/x
  3. Step 3: Cross multiply
    169,063.30x = 233,314.62 × 93,611.80
  4. Step 4: Simplify right side
    169,063.30x = 21,841,001,544.52
  5. Step 5: Solve for x
    x = 21,841,001,544.52/169,063.30
  6. Step 6: Final answer
    x = 129,188.31

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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.