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Finding the Fourth Proportional to 162,779.70, 244,169.55 and 99,794.10

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Solution

The fourth proportional to 162,779.70, 244,169.55 and 99,794.10 is: 149,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,779.70 : 244,169.55 = 99,794.10 : x
  2. Step 2: Convert to fraction form
    162,779.70/244,169.55 = 99,794.10/x
  3. Step 3: Cross multiply
    162,779.70x = 244,169.55 × 99,794.10
  4. Step 4: Simplify right side
    162,779.70x = 24,366,680,489.66
  5. Step 5: Solve for x
    x = 24,366,680,489.66/162,779.70
  6. Step 6: Final answer
    x = 149,691.15

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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.