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Finding the Fourth Proportional to 253,160.58, 349,361.70 and 144,261.81

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Solution

The fourth proportional to 253,160.58, 349,361.70 and 144,261.81 is: 199,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,160.58 : 349,361.70 = 144,261.81 : x
  2. Step 2: Convert to fraction form
    253,160.58/349,361.70 = 144,261.81/x
  3. Step 3: Cross multiply
    253,160.58x = 349,361.70 × 144,261.81
  4. Step 4: Simplify right side
    253,160.58x = 50,399,551,186.68
  5. Step 5: Solve for x
    x = 50,399,551,186.68/253,160.58
  6. Step 6: Final answer
    x = 199,081.35

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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.