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Finding the Fourth Proportional to 355,107.40, 532,661.10 and 168,483.40

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Solution

The fourth proportional to 355,107.40, 532,661.10 and 168,483.40 is: 252,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,107.40 : 532,661.10 = 168,483.40 : x
  2. Step 2: Convert to fraction form
    355,107.40/532,661.10 = 168,483.40/x
  3. Step 3: Cross multiply
    355,107.40x = 532,661.10 × 168,483.40
  4. Step 4: Simplify right side
    355,107.40x = 89,744,553,175.74
  5. Step 5: Solve for x
    x = 89,744,553,175.74/355,107.40
  6. Step 6: Final answer
    x = 252,725.10

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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.