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Finding the Fourth Proportional to 125,224.60, 172,885.98 and 97,000.60

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Solution

The fourth proportional to 125,224.60, 172,885.98 and 97,000.60 is: 133,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,224.60 : 172,885.98 = 97,000.60 : x
  2. Step 2: Convert to fraction form
    125,224.60/172,885.98 = 97,000.60/x
  3. Step 3: Cross multiply
    125,224.60x = 172,885.98 × 97,000.60
  4. Step 4: Simplify right side
    125,224.60x = 16,770,043,791.59
  5. Step 5: Solve for x
    x = 16,770,043,791.59/125,224.60
  6. Step 6: Final answer
    x = 133,919.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.