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Finding the Fourth Proportional to 106,772.40, 160,158.60 and 67,503.60

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Solution

The fourth proportional to 106,772.40, 160,158.60 and 67,503.60 is: 101,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,772.40 : 160,158.60 = 67,503.60 : x
  2. Step 2: Convert to fraction form
    106,772.40/160,158.60 = 67,503.60/x
  3. Step 3: Cross multiply
    106,772.40x = 160,158.60 × 67,503.60
  4. Step 4: Simplify right side
    106,772.40x = 10,811,282,070.96
  5. Step 5: Solve for x
    x = 10,811,282,070.96/106,772.40
  6. Step 6: Final answer
    x = 101,255.40

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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.