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Finding the Fourth Proportional to 143,182.42, 197,591.72 and 79,526.14

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Solution

The fourth proportional to 143,182.42, 197,591.72 and 79,526.14 is: 109,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,182.42 : 197,591.72 = 79,526.14 : x
  2. Step 2: Convert to fraction form
    143,182.42/197,591.72 = 79,526.14/x
  3. Step 3: Cross multiply
    143,182.42x = 197,591.72 × 79,526.14
  4. Step 4: Simplify right side
    143,182.42x = 15,713,705,895.95
  5. Step 5: Solve for x
    x = 15,713,705,895.95/143,182.42
  6. Step 6: Final answer
    x = 109,746.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.