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Finding the Fourth Proportional to 92,887.72, 128,186.55 and 52,600.41

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Solution

The fourth proportional to 92,887.72, 128,186.55 and 52,600.41 is: 72,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,887.72 : 128,186.55 = 52,600.41 : x
  2. Step 2: Convert to fraction form
    92,887.72/128,186.55 = 52,600.41/x
  3. Step 3: Cross multiply
    92,887.72x = 128,186.55 × 52,600.41
  4. Step 4: Simplify right side
    92,887.72x = 6,742,665,086.49
  5. Step 5: Solve for x
    x = 6,742,665,086.49/92,887.72
  6. Step 6: Final answer
    x = 72,589.42

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1.5x scale

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.