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Finding the Fourth Proportional to 96,588, 133,291.92 and 56,329.68

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Solution

The fourth proportional to 96,588, 133,291.92 and 56,329.68 is: 77,735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,588 : 133,291.92 = 56,329.68 : x
  2. Step 2: Convert to fraction form
    96,588/133,291.92 = 56,329.68/x
  3. Step 3: Cross multiply
    96,588x = 133,291.92 × 56,329.68
  4. Step 4: Simplify right side
    96,588x = 7,508,291,200.19
  5. Step 5: Solve for x
    x = 7,508,291,200.19/96,588
  6. Step 6: Final answer
    x = 77,735.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.