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Finding the Fourth Proportional to 85,591.51, 118,107.14 and 47,344.97

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Solution

The fourth proportional to 85,591.51, 118,107.14 and 47,344.97 is: 65,331.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,591.51 : 118,107.14 = 47,344.97 : x
  2. Step 2: Convert to fraction form
    85,591.51/118,107.14 = 47,344.97/x
  3. Step 3: Cross multiply
    85,591.51x = 118,107.14 × 47,344.97
  4. Step 4: Simplify right side
    85,591.51x = 5,591,779,058.63
  5. Step 5: Solve for x
    x = 5,591,779,058.63/85,591.51
  6. Step 6: Final answer
    x = 65,331.00

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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.