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Finding the Fourth Proportional to 180,328.88, 270,302.57 and 67,960.42

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Solution

The fourth proportional to 180,328.88, 270,302.57 and 67,960.42 is: 101,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,328.88 : 270,302.57 = 67,960.42 : x
  2. Step 2: Convert to fraction form
    180,328.88/270,302.57 = 67,960.42/x
  3. Step 3: Cross multiply
    180,328.88x = 270,302.57 × 67,960.42
  4. Step 4: Simplify right side
    180,328.88x = 18,369,875,423.57
  5. Step 5: Solve for x
    x = 18,369,875,423.57/180,328.88
  6. Step 6: Final answer
    x = 101,868.74

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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.