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Finding the Fourth Proportional to 117,485.44, 162,130.02 and 63,770.44

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Solution

The fourth proportional to 117,485.44, 162,130.02 and 63,770.44 is: 88,003.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,485.44 : 162,130.02 = 63,770.44 : x
  2. Step 2: Convert to fraction form
    117,485.44/162,130.02 = 63,770.44/x
  3. Step 3: Cross multiply
    117,485.44x = 162,130.02 × 63,770.44
  4. Step 4: Simplify right side
    117,485.44x = 10,339,102,712.61
  5. Step 5: Solve for x
    x = 10,339,102,712.61/117,485.44
  6. Step 6: Final answer
    x = 88,003.27

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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.