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Finding the Fourth Proportional to 96,953.92, 145,371.40 and 37,720.64

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Solution

The fourth proportional to 96,953.92, 145,371.40 and 37,720.64 is: 56,557.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,953.92 : 145,371.40 = 37,720.64 : x
  2. Step 2: Convert to fraction form
    96,953.92/145,371.40 = 37,720.64/x
  3. Step 3: Cross multiply
    96,953.92x = 145,371.40 × 37,720.64
  4. Step 4: Simplify right side
    96,953.92x = 5,483,502,245.70
  5. Step 5: Solve for x
    x = 5,483,502,245.70/96,953.92
  6. Step 6: Final answer
    x = 56,557.82

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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.