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Finding the Fourth Proportional to 85,563.69, 118,072.53 and 47,322.24

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Solution

The fourth proportional to 85,563.69, 118,072.53 and 47,322.24 is: 65,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,563.69 : 118,072.53 = 47,322.24 : x
  2. Step 2: Convert to fraction form
    85,563.69/118,072.53 = 47,322.24/x
  3. Step 3: Cross multiply
    85,563.69x = 118,072.53 × 47,322.24
  4. Step 4: Simplify right side
    85,563.69x = 5,587,456,602.07
  5. Step 5: Solve for x
    x = 5,587,456,602.07/85,563.69
  6. Step 6: Final answer
    x = 65,301.73

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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.