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Finding the Fourth Proportional to 169,908.50, 234,474 and 94,457

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Solution

The fourth proportional to 169,908.50, 234,474 and 94,457 is: 130,350.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,908.50 : 234,474 = 94,457 : x
  2. Step 2: Convert to fraction form
    169,908.50/234,474 = 94,457/x
  3. Step 3: Cross multiply
    169,908.50x = 234,474 × 94,457
  4. Step 4: Simplify right side
    169,908.50x = 22,147,710,618
  5. Step 5: Solve for x
    x = 22,147,710,618/169,908.50
  6. Step 6: Final answer
    x = 130,350.81

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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.