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Finding the Fourth Proportional to 342,869.96, 514,338.69 and 118,200.80

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Solution

The fourth proportional to 342,869.96, 514,338.69 and 118,200.80 is: 177,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,869.96 : 514,338.69 = 118,200.80 : x
  2. Step 2: Convert to fraction form
    342,869.96/514,338.69 = 118,200.80/x
  3. Step 3: Cross multiply
    342,869.96x = 514,338.69 × 118,200.80
  4. Step 4: Simplify right side
    342,869.96x = 60,795,244,628.95
  5. Step 5: Solve for x
    x = 60,795,244,628.95/342,869.96
  6. Step 6: Final answer
    x = 177,312.83

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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.