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Finding the Fourth Proportional to 86,125.44, 118,854.48 and 47,364.84

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Solution

The fourth proportional to 86,125.44, 118,854.48 and 47,364.84 is: 65,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,125.44 : 118,854.48 = 47,364.84 : x
  2. Step 2: Convert to fraction form
    86,125.44/118,854.48 = 47,364.84/x
  3. Step 3: Cross multiply
    86,125.44x = 118,854.48 × 47,364.84
  4. Step 4: Simplify right side
    86,125.44x = 5,629,523,428.48
  5. Step 5: Solve for x
    x = 5,629,523,428.48/86,125.44
  6. Step 6: Final answer
    x = 65,364.23

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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.