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Finding the Fourth Proportional to 237,643.34, 327,947.76 and 130,217.40

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Solution

The fourth proportional to 237,643.34, 327,947.76 and 130,217.40 is: 179,699.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,643.34 : 327,947.76 = 130,217.40 : x
  2. Step 2: Convert to fraction form
    237,643.34/327,947.76 = 130,217.40/x
  3. Step 3: Cross multiply
    237,643.34x = 327,947.76 × 130,217.40
  4. Step 4: Simplify right side
    237,643.34x = 42,704,504,643.02
  5. Step 5: Solve for x
    x = 42,704,504,643.02/237,643.34
  6. Step 6: Final answer
    x = 179,699.99

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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.