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Finding the Fourth Proportional to 79,485.82, 119,228.76 and 29,559.40

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Solution

The fourth proportional to 79,485.82, 119,228.76 and 29,559.40 is: 44,339.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,485.82 : 119,228.76 = 29,559.40 : x
  2. Step 2: Convert to fraction form
    79,485.82/119,228.76 = 29,559.40/x
  3. Step 3: Cross multiply
    79,485.82x = 119,228.76 × 29,559.40
  4. Step 4: Simplify right side
    79,485.82x = 3,524,330,460.55
  5. Step 5: Solve for x
    x = 3,524,330,460.55/79,485.82
  6. Step 6: Final answer
    x = 44,339.11

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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.