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Finding the Fourth Proportional to 125,706.60, 173,450.30 and 70,517.76

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Solution

The fourth proportional to 125,706.60, 173,450.30 and 70,517.76 is: 97,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,706.60 : 173,450.30 = 70,517.76 : x
  2. Step 2: Convert to fraction form
    125,706.60/173,450.30 = 70,517.76/x
  3. Step 3: Cross multiply
    125,706.60x = 173,450.30 × 70,517.76
  4. Step 4: Simplify right side
    125,706.60x = 12,231,326,627.33
  5. Step 5: Solve for x
    x = 12,231,326,627.33/125,706.60
  6. Step 6: Final answer
    x = 97,300.59

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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.