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Finding the Fourth Proportional to 96,467.76, 144,737.10 and 40,313.52

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Solution

The fourth proportional to 96,467.76, 144,737.10 and 40,313.52 is: 60,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,467.76 : 144,737.10 = 40,313.52 : x
  2. Step 2: Convert to fraction form
    96,467.76/144,737.10 = 40,313.52/x
  3. Step 3: Cross multiply
    96,467.76x = 144,737.10 × 40,313.52
  4. Step 4: Simplify right side
    96,467.76x = 5,834,861,975.59
  5. Step 5: Solve for x
    x = 5,834,861,975.59/96,467.76
  6. Step 6: Final answer
    x = 60,485.10

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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.