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Finding the Fourth Proportional to 125,369.57, 173,022.45 and 71,662.34

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Solution

The fourth proportional to 125,369.57, 173,022.45 and 71,662.34 is: 98,901.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,369.57 : 173,022.45 = 71,662.34 : x
  2. Step 2: Convert to fraction form
    125,369.57/173,022.45 = 71,662.34/x
  3. Step 3: Cross multiply
    125,369.57x = 173,022.45 × 71,662.34
  4. Step 4: Simplify right side
    125,369.57x = 12,399,193,639.53
  5. Step 5: Solve for x
    x = 12,399,193,639.53/125,369.57
  6. Step 6: Final answer
    x = 98,901.14

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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.