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Finding the Fourth Proportional to 132,912.90, 199,369.35 and 62,928.90

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Solution

The fourth proportional to 132,912.90, 199,369.35 and 62,928.90 is: 94,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,912.90 : 199,369.35 = 62,928.90 : x
  2. Step 2: Convert to fraction form
    132,912.90/199,369.35 = 62,928.90/x
  3. Step 3: Cross multiply
    132,912.90x = 199,369.35 × 62,928.90
  4. Step 4: Simplify right side
    132,912.90x = 12,546,093,889.22
  5. Step 5: Solve for x
    x = 12,546,093,889.22/132,912.90
  6. Step 6: Final answer
    x = 94,393.35

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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.