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Finding the Fourth Proportional to 114,145.50, 171,218.80 and 40,273.50

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Solution

The fourth proportional to 114,145.50, 171,218.80 and 40,273.50 is: 60,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,145.50 : 171,218.80 = 40,273.50 : x
  2. Step 2: Convert to fraction form
    114,145.50/171,218.80 = 40,273.50/x
  3. Step 3: Cross multiply
    114,145.50x = 171,218.80 × 40,273.50
  4. Step 4: Simplify right side
    114,145.50x = 6,895,580,341.80
  5. Step 5: Solve for x
    x = 6,895,580,341.80/114,145.50
  6. Step 6: Final answer
    x = 60,410.44

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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.