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Finding the Fourth Proportional to 65,951.16, 91,051.50 and 43,329.68

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Solution

The fourth proportional to 65,951.16, 91,051.50 and 43,329.68 is: 59,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,951.16 : 91,051.50 = 43,329.68 : x
  2. Step 2: Convert to fraction form
    65,951.16/91,051.50 = 43,329.68/x
  3. Step 3: Cross multiply
    65,951.16x = 91,051.50 × 43,329.68
  4. Step 4: Simplify right side
    65,951.16x = 3,945,232,358.52
  5. Step 5: Solve for x
    x = 3,945,232,358.52/65,951.16
  6. Step 6: Final answer
    x = 59,820.52

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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.