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Finding the Fourth Proportional to 96,572.27, 144,879.26 and 39,646.28

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Solution

The fourth proportional to 96,572.27, 144,879.26 and 39,646.28 is: 59,477.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,572.27 : 144,879.26 = 39,646.28 : x
  2. Step 2: Convert to fraction form
    96,572.27/144,879.26 = 39,646.28/x
  3. Step 3: Cross multiply
    96,572.27x = 144,879.26 × 39,646.28
  4. Step 4: Simplify right side
    96,572.27x = 5,743,922,785.53
  5. Step 5: Solve for x
    x = 5,743,922,785.53/96,572.27
  6. Step 6: Final answer
    x = 59,477.98

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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.