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Finding the Fourth Proportional to 168,978.66, 233,194.19 and 93,527.16

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Solution

The fourth proportional to 168,978.66, 233,194.19 and 93,527.16 is: 129,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,978.66 : 233,194.19 = 93,527.16 : x
  2. Step 2: Convert to fraction form
    168,978.66/233,194.19 = 93,527.16/x
  3. Step 3: Cross multiply
    168,978.66x = 233,194.19 × 93,527.16
  4. Step 4: Simplify right side
    168,978.66x = 21,809,989,503.18
  5. Step 5: Solve for x
    x = 21,809,989,503.18/168,978.66
  6. Step 6: Final answer
    x = 129,069.49

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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.