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Finding the Fourth Proportional to 86,119.83, 118,846.71 and 47,359.26

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Solution

The fourth proportional to 86,119.83, 118,846.71 and 47,359.26 is: 65,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,119.83 : 118,846.71 = 47,359.26 : x
  2. Step 2: Convert to fraction form
    86,119.83/118,846.71 = 47,359.26/x
  3. Step 3: Cross multiply
    86,119.83x = 118,846.71 × 47,359.26
  4. Step 4: Simplify right side
    86,119.83x = 5,628,492,239.03
  5. Step 5: Solve for x
    x = 5,628,492,239.03/86,119.83
  6. Step 6: Final answer
    x = 65,356.52

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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.