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Finding the Fourth Proportional to 64,604.80, 96,835.20 and 25,148.80

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Solution

The fourth proportional to 64,604.80, 96,835.20 and 25,148.80 is: 37,695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,604.80 : 96,835.20 = 25,148.80 : x
  2. Step 2: Convert to fraction form
    64,604.80/96,835.20 = 25,148.80/x
  3. Step 3: Cross multiply
    64,604.80x = 96,835.20 × 25,148.80
  4. Step 4: Simplify right side
    64,604.80x = 2,435,289,077.76
  5. Step 5: Solve for x
    x = 2,435,289,077.76/64,604.80
  6. Step 6: Final answer
    x = 37,695.17

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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.