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Finding the Fourth Proportional to 84,866.02, 117,118.81 and 47,140.27

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Solution

The fourth proportional to 84,866.02, 117,118.81 and 47,140.27 is: 65,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,866.02 : 117,118.81 = 47,140.27 : x
  2. Step 2: Convert to fraction form
    84,866.02/117,118.81 = 47,140.27/x
  3. Step 3: Cross multiply
    84,866.02x = 117,118.81 × 47,140.27
  4. Step 4: Simplify right side
    84,866.02x = 5,521,011,739.88
  5. Step 5: Solve for x
    x = 5,521,011,739.88/84,866.02
  6. Step 6: Final answer
    x = 65,055.63

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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.