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Finding the Fourth Proportional to 92,607.72, 138,911.37 and 33,443.40

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Solution

The fourth proportional to 92,607.72, 138,911.37 and 33,443.40 is: 50,165.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,607.72 : 138,911.37 = 33,443.40 : x
  2. Step 2: Convert to fraction form
    92,607.72/138,911.37 = 33,443.40/x
  3. Step 3: Cross multiply
    92,607.72x = 138,911.37 × 33,443.40
  4. Step 4: Simplify right side
    92,607.72x = 4,645,668,511.46
  5. Step 5: Solve for x
    x = 4,645,668,511.46/92,607.72
  6. Step 6: Final answer
    x = 50,165.02

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1.5x scale

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.