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Finding the Fourth Proportional to 67,492.80, 101,242.08 and 34,228.80

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Solution

The fourth proportional to 67,492.80, 101,242.08 and 34,228.80 is: 51,344.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,492.80 : 101,242.08 = 34,228.80 : x
  2. Step 2: Convert to fraction form
    67,492.80/101,242.08 = 34,228.80/x
  3. Step 3: Cross multiply
    67,492.80x = 101,242.08 × 34,228.80
  4. Step 4: Simplify right side
    67,492.80x = 3,465,394,907.90
  5. Step 5: Solve for x
    x = 3,465,394,907.90/67,492.80
  6. Step 6: Final answer
    x = 51,344.66

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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.