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Finding the Fourth Proportional to 119,779.20, 179,524.80 and 49,622.40

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Solution

The fourth proportional to 119,779.20, 179,524.80 and 49,622.40 is: 74,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,779.20 : 179,524.80 = 49,622.40 : x
  2. Step 2: Convert to fraction form
    119,779.20/179,524.80 = 49,622.40/x
  3. Step 3: Cross multiply
    119,779.20x = 179,524.80 × 49,622.40
  4. Step 4: Simplify right side
    119,779.20x = 8,908,451,435.52
  5. Step 5: Solve for x
    x = 8,908,451,435.52/119,779.20
  6. Step 6: Final answer
    x = 74,373.94

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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.