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Finding the Fourth Proportional to 67,510.80, 101,266.20 and 57,013.20

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Solution

The fourth proportional to 67,510.80, 101,266.20 and 57,013.20 is: 85,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,510.80 : 101,266.20 = 57,013.20 : x
  2. Step 2: Convert to fraction form
    67,510.80/101,266.20 = 57,013.20/x
  3. Step 3: Cross multiply
    67,510.80x = 101,266.20 × 57,013.20
  4. Step 4: Simplify right side
    67,510.80x = 5,773,510,113.84
  5. Step 5: Solve for x
    x = 5,773,510,113.84/67,510.80
  6. Step 6: Final answer
    x = 85,519.80

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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.