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Finding the Fourth Proportional to 117,461.10, 162,104.22 and 66,473.76

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Solution

The fourth proportional to 117,461.10, 162,104.22 and 66,473.76 is: 91,738.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,461.10 : 162,104.22 = 66,473.76 : x
  2. Step 2: Convert to fraction form
    117,461.10/162,104.22 = 66,473.76/x
  3. Step 3: Cross multiply
    117,461.10x = 162,104.22 × 66,473.76
  4. Step 4: Simplify right side
    117,461.10x = 10,775,677,015.27
  5. Step 5: Solve for x
    x = 10,775,677,015.27/117,461.10
  6. Step 6: Final answer
    x = 91,738.26

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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.