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Finding the Fourth Proportional to 117,505.98, 162,157.29 and 63,790.92

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Solution

The fourth proportional to 117,505.98, 162,157.29 and 63,790.92 is: 88,030.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,505.98 : 162,157.29 = 63,790.92 : x
  2. Step 2: Convert to fraction form
    117,505.98/162,157.29 = 63,790.92/x
  3. Step 3: Cross multiply
    117,505.98x = 162,157.29 × 63,790.92
  4. Step 4: Simplify right side
    117,505.98x = 10,344,162,713.81
  5. Step 5: Solve for x
    x = 10,344,162,713.81/117,505.98
  6. Step 6: Final answer
    x = 88,030.95

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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.