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Finding the Fourth Proportional to 169,903.02, 234,471.27 and 93,418.16

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Solution

The fourth proportional to 169,903.02, 234,471.27 and 93,418.16 is: 128,919.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,903.02 : 234,471.27 = 93,418.16 : x
  2. Step 2: Convert to fraction form
    169,903.02/234,471.27 = 93,418.16/x
  3. Step 3: Cross multiply
    169,903.02x = 234,471.27 × 93,418.16
  4. Step 4: Simplify right side
    169,903.02x = 21,903,874,616.26
  5. Step 5: Solve for x
    x = 21,903,874,616.26/169,903.02
  6. Step 6: Final answer
    x = 128,919.87

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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.