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Finding the Fourth Proportional to 442,352.07, 663,528.51 and 109,928.07

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Solution

The fourth proportional to 442,352.07, 663,528.51 and 109,928.07 is: 164,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,352.07 : 663,528.51 = 109,928.07 : x
  2. Step 2: Convert to fraction form
    442,352.07/663,528.51 = 109,928.07/x
  3. Step 3: Cross multiply
    442,352.07x = 663,528.51 × 109,928.07
  4. Step 4: Simplify right side
    442,352.07x = 72,940,408,494.28
  5. Step 5: Solve for x
    x = 72,940,408,494.28/442,352.07
  6. Step 6: Final answer
    x = 164,892.21

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Why These Related Problems?

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