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Finding the Fourth Proportional to 163,217.40, 244,826.10 and 141,347.40

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Solution

The fourth proportional to 163,217.40, 244,826.10 and 141,347.40 is: 212,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,217.40 : 244,826.10 = 141,347.40 : x
  2. Step 2: Convert to fraction form
    163,217.40/244,826.10 = 141,347.40/x
  3. Step 3: Cross multiply
    163,217.40x = 244,826.10 × 141,347.40
  4. Step 4: Simplify right side
    163,217.40x = 34,605,532,687.14
  5. Step 5: Solve for x
    x = 34,605,532,687.14/163,217.40
  6. Step 6: Final answer
    x = 212,021.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.