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Finding the Fourth Proportional to 252,087.95, 347,876.88 and 137,367.58

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Solution

The fourth proportional to 252,087.95, 347,876.88 and 137,367.58 is: 189,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,087.95 : 347,876.88 = 137,367.58 : x
  2. Step 2: Convert to fraction form
    252,087.95/347,876.88 = 137,367.58/x
  3. Step 3: Cross multiply
    252,087.95x = 347,876.88 × 137,367.58
  4. Step 4: Simplify right side
    252,087.95x = 47,787,005,143.55
  5. Step 5: Solve for x
    x = 47,787,005,143.55/252,087.95
  6. Step 6: Final answer
    x = 189,564.81

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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.