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Finding the Fourth Proportional to 117,410.50, 162,026.49 and 66,422.22

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Solution

The fourth proportional to 117,410.50, 162,026.49 and 66,422.22 is: 91,662.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,410.50 : 162,026.49 = 66,422.22 : x
  2. Step 2: Convert to fraction form
    117,410.50/162,026.49 = 66,422.22/x
  3. Step 3: Cross multiply
    117,410.50x = 162,026.49 × 66,422.22
  4. Step 4: Simplify right side
    117,410.50x = 10,762,159,164.61
  5. Step 5: Solve for x
    x = 10,762,159,164.61/117,410.50
  6. Step 6: Final answer
    x = 91,662.66

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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.