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Finding the Fourth Proportional to 91,851.80, 137,777.70 and 32,754.20

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Solution

The fourth proportional to 91,851.80, 137,777.70 and 32,754.20 is: 49,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,851.80 : 137,777.70 = 32,754.20 : x
  2. Step 2: Convert to fraction form
    91,851.80/137,777.70 = 32,754.20/x
  3. Step 3: Cross multiply
    91,851.80x = 137,777.70 × 32,754.20
  4. Step 4: Simplify right side
    91,851.80x = 4,512,798,341.34
  5. Step 5: Solve for x
    x = 4,512,798,341.34/91,851.80
  6. Step 6: Final answer
    x = 49,131.30

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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.