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Finding the Fourth Proportional to 96,751.40, 133,544.76 and 58,511

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Solution

The fourth proportional to 96,751.40, 133,544.76 and 58,511 is: 80,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,751.40 : 133,544.76 = 58,511 : x
  2. Step 2: Convert to fraction form
    96,751.40/133,544.76 = 58,511/x
  3. Step 3: Cross multiply
    96,751.40x = 133,544.76 × 58,511
  4. Step 4: Simplify right side
    96,751.40x = 7,813,837,452.36
  5. Step 5: Solve for x
    x = 7,813,837,452.36/96,751.40
  6. Step 6: Final answer
    x = 80,762.01

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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.