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Finding the Fourth Proportional to 99,230.48, 148,866.20 and 32,674.60

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Solution

The fourth proportional to 99,230.48, 148,866.20 and 32,674.60 is: 49,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,230.48 : 148,866.20 = 32,674.60 : x
  2. Step 2: Convert to fraction form
    99,230.48/148,866.20 = 32,674.60/x
  3. Step 3: Cross multiply
    99,230.48x = 148,866.20 × 32,674.60
  4. Step 4: Simplify right side
    99,230.48x = 4,864,143,538.52
  5. Step 5: Solve for x
    x = 4,864,143,538.52/99,230.48
  6. Step 6: Final answer
    x = 49,018.64

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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.