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Finding the Fourth Proportional to 91,676.76, 137,526.03 and 32,518.32

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Solution

The fourth proportional to 91,676.76, 137,526.03 and 32,518.32 is: 48,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,676.76 : 137,526.03 = 32,518.32 : x
  2. Step 2: Convert to fraction form
    91,676.76/137,526.03 = 32,518.32/x
  3. Step 3: Cross multiply
    91,676.76x = 137,526.03 × 32,518.32
  4. Step 4: Simplify right side
    91,676.76x = 4,472,115,451.87
  5. Step 5: Solve for x
    x = 4,472,115,451.87/91,676.76
  6. Step 6: Final answer
    x = 48,781.34

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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.