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Finding the Fourth Proportional to 117,635.24, 176,408.70 and 42,736.88

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Solution

The fourth proportional to 117,635.24, 176,408.70 and 42,736.88 is: 64,089.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,635.24 : 176,408.70 = 42,736.88 : x
  2. Step 2: Convert to fraction form
    117,635.24/176,408.70 = 42,736.88/x
  3. Step 3: Cross multiply
    117,635.24x = 176,408.70 × 42,736.88
  4. Step 4: Simplify right side
    117,635.24x = 7,539,157,442.86
  5. Step 5: Solve for x
    x = 7,539,157,442.86/117,635.24
  6. Step 6: Final answer
    x = 64,089.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.