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Finding the Fourth Proportional to 79,969, 110,366.94 and 46,435

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Solution

The fourth proportional to 79,969, 110,366.94 and 46,435 is: 64,085.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,969 : 110,366.94 = 46,435 : x
  2. Step 2: Convert to fraction form
    79,969/110,366.94 = 46,435/x
  3. Step 3: Cross multiply
    79,969x = 110,366.94 × 46,435
  4. Step 4: Simplify right side
    79,969x = 5,124,888,858.90
  5. Step 5: Solve for x
    x = 5,124,888,858.90/79,969
  6. Step 6: Final answer
    x = 64,085.94

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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.