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Finding the Fourth Proportional to 169,916, 234,484.36 and 94,464.50

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Solution

The fourth proportional to 169,916, 234,484.36 and 94,464.50 is: 130,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,916 : 234,484.36 = 94,464.50 : x
  2. Step 2: Convert to fraction form
    169,916/234,484.36 = 94,464.50/x
  3. Step 3: Cross multiply
    169,916x = 234,484.36 × 94,464.50
  4. Step 4: Simplify right side
    169,916x = 22,150,447,825.22
  5. Step 5: Solve for x
    x = 22,150,447,825.22/169,916
  6. Step 6: Final answer
    x = 130,361.17

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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.