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Finding the Fourth Proportional to 117,504.66, 162,139.32 and 67,193.94

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Solution

The fourth proportional to 117,504.66, 162,139.32 and 67,193.94 is: 92,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,504.66 : 162,139.32 = 67,193.94 : x
  2. Step 2: Convert to fraction form
    117,504.66/162,139.32 = 67,193.94/x
  3. Step 3: Cross multiply
    117,504.66x = 162,139.32 × 67,193.94
  4. Step 4: Simplify right side
    117,504.66x = 10,894,779,739.72
  5. Step 5: Solve for x
    x = 10,894,779,739.72/117,504.66
  6. Step 6: Final answer
    x = 92,717.85

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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.