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Finding the Fourth Proportional to 92,882.48, 128,175.21 and 52,600.05

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Solution

The fourth proportional to 92,882.48, 128,175.21 and 52,600.05 is: 72,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,882.48 : 128,175.21 = 52,600.05 : x
  2. Step 2: Convert to fraction form
    92,882.48/128,175.21 = 52,600.05/x
  3. Step 3: Cross multiply
    92,882.48x = 128,175.21 × 52,600.05
  4. Step 4: Simplify right side
    92,882.48x = 6,742,022,454.76
  5. Step 5: Solve for x
    x = 6,742,022,454.76/92,882.48
  6. Step 6: Final answer
    x = 72,586.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.