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Finding the Fourth Proportional to 117,740.60, 176,609.38 and 28,994.88

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Solution

The fourth proportional to 117,740.60, 176,609.38 and 28,994.88 is: 43,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,740.60 : 176,609.38 = 28,994.88 : x
  2. Step 2: Convert to fraction form
    117,740.60/176,609.38 = 28,994.88/x
  3. Step 3: Cross multiply
    117,740.60x = 176,609.38 × 28,994.88
  4. Step 4: Simplify right side
    117,740.60x = 5,120,767,779.97
  5. Step 5: Solve for x
    x = 5,120,767,779.97/117,740.60
  6. Step 6: Final answer
    x = 43,491.95

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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.