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Finding the Fourth Proportional to 92,889.52, 128,195.52 and 52,610.38

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Solution

The fourth proportional to 92,889.52, 128,195.52 and 52,610.38 is: 72,606.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,889.52 : 128,195.52 = 52,610.38 : x
  2. Step 2: Convert to fraction form
    92,889.52/128,195.52 = 52,610.38/x
  3. Step 3: Cross multiply
    92,889.52x = 128,195.52 × 52,610.38
  4. Step 4: Simplify right side
    92,889.52x = 6,744,415,021.50
  5. Step 5: Solve for x
    x = 6,744,415,021.50/92,889.52
  6. Step 6: Final answer
    x = 72,606.85

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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.