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Finding the Fourth Proportional to 158,361.58, 218,560.72 and 97,096.93

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Solution

The fourth proportional to 158,361.58, 218,560.72 and 97,096.93 is: 134,007.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,361.58 : 218,560.72 = 97,096.93 : x
  2. Step 2: Convert to fraction form
    158,361.58/218,560.72 = 97,096.93/x
  3. Step 3: Cross multiply
    158,361.58x = 218,560.72 × 97,096.93
  4. Step 4: Simplify right side
    158,361.58x = 21,221,574,445.11
  5. Step 5: Solve for x
    x = 21,221,574,445.11/158,361.58
  6. Step 6: Final answer
    x = 134,007.09

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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.