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Finding the Fourth Proportional to 168,688.80, 253,035.90 and 44,029.80

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Solution

The fourth proportional to 168,688.80, 253,035.90 and 44,029.80 is: 66,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,688.80 : 253,035.90 = 44,029.80 : x
  2. Step 2: Convert to fraction form
    168,688.80/253,035.90 = 44,029.80/x
  3. Step 3: Cross multiply
    168,688.80x = 253,035.90 × 44,029.80
  4. Step 4: Simplify right side
    168,688.80x = 11,141,120,069.82
  5. Step 5: Solve for x
    x = 11,141,120,069.82/168,688.80
  6. Step 6: Final answer
    x = 66,045.40

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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.