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Finding the Fourth Proportional to 96,816.80, 145,276.80 and 37,654.40

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Solution

The fourth proportional to 96,816.80, 145,276.80 and 37,654.40 is: 56,501.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,816.80 : 145,276.80 = 37,654.40 : x
  2. Step 2: Convert to fraction form
    96,816.80/145,276.80 = 37,654.40/x
  3. Step 3: Cross multiply
    96,816.80x = 145,276.80 × 37,654.40
  4. Step 4: Simplify right side
    96,816.80x = 5,470,310,737.92
  5. Step 5: Solve for x
    x = 5,470,310,737.92/96,816.80
  6. Step 6: Final answer
    x = 56,501.67

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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.