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Finding the Fourth Proportional to 92,004.60, 138,026.10 and 52,529.40

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Solution

The fourth proportional to 92,004.60, 138,026.10 and 52,529.40 is: 78,805.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,004.60 : 138,026.10 = 52,529.40 : x
  2. Step 2: Convert to fraction form
    92,004.60/138,026.10 = 52,529.40/x
  3. Step 3: Cross multiply
    92,004.60x = 138,026.10 × 52,529.40
  4. Step 4: Simplify right side
    92,004.60x = 7,250,428,217.34
  5. Step 5: Solve for x
    x = 7,250,428,217.34/92,004.60
  6. Step 6: Final answer
    x = 78,805.06

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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.