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Finding the Fourth Proportional to 92,879.52, 128,181.72 and 52,600.38

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Solution

The fourth proportional to 92,879.52, 128,181.72 and 52,600.38 is: 72,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,879.52 : 128,181.72 = 52,600.38 : x
  2. Step 2: Convert to fraction form
    92,879.52/128,181.72 = 52,600.38/x
  3. Step 3: Cross multiply
    92,879.52x = 128,181.72 × 52,600.38
  4. Step 4: Simplify right side
    92,879.52x = 6,742,407,181.05
  5. Step 5: Solve for x
    x = 6,742,407,181.05/92,879.52
  6. Step 6: Final answer
    x = 72,593.05

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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.