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Finding the Fourth Proportional to 145,480.54, 218,219.36 and 50,710.54

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Solution

The fourth proportional to 145,480.54, 218,219.36 and 50,710.54 is: 76,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,480.54 : 218,219.36 = 50,710.54 : x
  2. Step 2: Convert to fraction form
    145,480.54/218,219.36 = 50,710.54/x
  3. Step 3: Cross multiply
    145,480.54x = 218,219.36 × 50,710.54
  4. Step 4: Simplify right side
    145,480.54x = 11,066,021,584.05
  5. Step 5: Solve for x
    x = 11,066,021,584.05/145,480.54
  6. Step 6: Final answer
    x = 76,065.30

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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.