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Finding the Fourth Proportional to 170,045.40, 254,906.10 and 63,400.80

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Solution

The fourth proportional to 170,045.40, 254,906.10 and 63,400.80 is: 95,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,045.40 : 254,906.10 = 63,400.80 : x
  2. Step 2: Convert to fraction form
    170,045.40/254,906.10 = 63,400.80/x
  3. Step 3: Cross multiply
    170,045.40x = 254,906.10 × 63,400.80
  4. Step 4: Simplify right side
    170,045.40x = 16,161,250,664.88
  5. Step 5: Solve for x
    x = 16,161,250,664.88/170,045.40
  6. Step 6: Final answer
    x = 95,040.80

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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.