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Finding the Fourth Proportional to 169,909, 234,474.69 and 94,457.50

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Solution

The fourth proportional to 169,909, 234,474.69 and 94,457.50 is: 130,351.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,909 : 234,474.69 = 94,457.50 : x
  2. Step 2: Convert to fraction form
    169,909/234,474.69 = 94,457.50/x
  3. Step 3: Cross multiply
    169,909x = 234,474.69 × 94,457.50
  4. Step 4: Simplify right side
    169,909x = 22,147,893,030.68
  5. Step 5: Solve for x
    x = 22,147,893,030.68/169,909
  6. Step 6: Final answer
    x = 130,351.50

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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.