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Finding the Fourth Proportional to 92,833.36, 128,100.68 and 52,540.12

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Solution

The fourth proportional to 92,833.36, 128,100.68 and 52,540.12 is: 72,500.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,833.36 : 128,100.68 = 52,540.12 : x
  2. Step 2: Convert to fraction form
    92,833.36/128,100.68 = 52,540.12/x
  3. Step 3: Cross multiply
    92,833.36x = 128,100.68 × 52,540.12
  4. Step 4: Simplify right side
    92,833.36x = 6,730,425,099.28
  5. Step 5: Solve for x
    x = 6,730,425,099.28/92,833.36
  6. Step 6: Final answer
    x = 72,500.07

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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.