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Finding the Fourth Proportional to 85,223.97, 117,609.90 and 46,984.92

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Solution

The fourth proportional to 85,223.97, 117,609.90 and 46,984.92 is: 64,839.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,223.97 : 117,609.90 = 46,984.92 : x
  2. Step 2: Convert to fraction form
    85,223.97/117,609.90 = 46,984.92/x
  3. Step 3: Cross multiply
    85,223.97x = 117,609.90 × 46,984.92
  4. Step 4: Simplify right side
    85,223.97x = 5,525,891,588.40
  5. Step 5: Solve for x
    x = 5,525,891,588.40/85,223.97
  6. Step 6: Final answer
    x = 64,839.64

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1.5x scale

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.