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Finding the Fourth Proportional to 85,337.88, 128,025.02 and 32,746.92

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Solution

The fourth proportional to 85,337.88, 128,025.02 and 32,746.92 is: 49,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,337.88 : 128,025.02 = 32,746.92 : x
  2. Step 2: Convert to fraction form
    85,337.88/128,025.02 = 32,746.92/x
  3. Step 3: Cross multiply
    85,337.88x = 128,025.02 × 32,746.92
  4. Step 4: Simplify right side
    85,337.88x = 4,192,425,087.94
  5. Step 5: Solve for x
    x = 4,192,425,087.94/85,337.88
  6. Step 6: Final answer
    x = 49,127.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.