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Finding the Fourth Proportional to 99,807.83, 149,735.35 and 32,339.76

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Solution

The fourth proportional to 99,807.83, 149,735.35 and 32,339.76 is: 48,517.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,807.83 : 149,735.35 = 32,339.76 : x
  2. Step 2: Convert to fraction form
    99,807.83/149,735.35 = 32,339.76/x
  3. Step 3: Cross multiply
    99,807.83x = 149,735.35 × 32,339.76
  4. Step 4: Simplify right side
    99,807.83x = 4,842,405,201.67
  5. Step 5: Solve for x
    x = 4,842,405,201.67/99,807.83
  6. Step 6: Final answer
    x = 48,517.29

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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.