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Finding the Fourth Proportional to 73,851.42, 110,777.13 and 58,506.78

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Solution

The fourth proportional to 73,851.42, 110,777.13 and 58,506.78 is: 87,760.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,851.42 : 110,777.13 = 58,506.78 : x
  2. Step 2: Convert to fraction form
    73,851.42/110,777.13 = 58,506.78/x
  3. Step 3: Cross multiply
    73,851.42x = 110,777.13 × 58,506.78
  4. Step 4: Simplify right side
    73,851.42x = 6,481,213,173.94
  5. Step 5: Solve for x
    x = 6,481,213,173.94/73,851.42
  6. Step 6: Final answer
    x = 87,760.17

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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.