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Finding the Fourth Proportional to 86,073.52, 118,771.02 and 47,832.88

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Solution

The fourth proportional to 86,073.52, 118,771.02 and 47,832.88 is: 66,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,073.52 : 118,771.02 = 47,832.88 : x
  2. Step 2: Convert to fraction form
    86,073.52/118,771.02 = 47,832.88/x
  3. Step 3: Cross multiply
    86,073.52x = 118,771.02 × 47,832.88
  4. Step 4: Simplify right side
    86,073.52x = 5,681,159,947.14
  5. Step 5: Solve for x
    x = 5,681,159,947.14/86,073.52
  6. Step 6: Final answer
    x = 66,003.57

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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.