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Finding the Fourth Proportional to 79,064.33, 118,513.86 and 34,653.65

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Solution

The fourth proportional to 79,064.33, 118,513.86 and 34,653.65 is: 51,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,064.33 : 118,513.86 = 34,653.65 : x
  2. Step 2: Convert to fraction form
    79,064.33/118,513.86 = 34,653.65/x
  3. Step 3: Cross multiply
    79,064.33x = 118,513.86 × 34,653.65
  4. Step 4: Simplify right side
    79,064.33x = 4,106,937,232.02
  5. Step 5: Solve for x
    x = 4,106,937,232.02/79,064.33
  6. Step 6: Final answer
    x = 51,944.25

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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.