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Finding the Fourth Proportional to 117,847.40, 176,771.10 and 94,519.40

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Solution

The fourth proportional to 117,847.40, 176,771.10 and 94,519.40 is: 141,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,847.40 : 176,771.10 = 94,519.40 : x
  2. Step 2: Convert to fraction form
    117,847.40/176,771.10 = 94,519.40/x
  3. Step 3: Cross multiply
    117,847.40x = 176,771.10 × 94,519.40
  4. Step 4: Simplify right side
    117,847.40x = 16,708,298,309.34
  5. Step 5: Solve for x
    x = 16,708,298,309.34/117,847.40
  6. Step 6: Final answer
    x = 141,779.10

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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.