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Finding the Fourth Proportional to 158,806.44, 219,096.90 and 97,531.56

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Solution

The fourth proportional to 158,806.44, 219,096.90 and 97,531.56 is: 134,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,806.44 : 219,096.90 = 97,531.56 : x
  2. Step 2: Convert to fraction form
    158,806.44/219,096.90 = 97,531.56/x
  3. Step 3: Cross multiply
    158,806.44x = 219,096.90 × 97,531.56
  4. Step 4: Simplify right side
    158,806.44x = 21,368,862,448.16
  5. Step 5: Solve for x
    x = 21,368,862,448.16/158,806.44
  6. Step 6: Final answer
    x = 134,559.17

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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.