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Finding the Fourth Proportional to 132,893.40, 199,340.10 and 101,400.60

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Solution

The fourth proportional to 132,893.40, 199,340.10 and 101,400.60 is: 152,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,893.40 : 199,340.10 = 101,400.60 : x
  2. Step 2: Convert to fraction form
    132,893.40/199,340.10 = 101,400.60/x
  3. Step 3: Cross multiply
    132,893.40x = 199,340.10 × 101,400.60
  4. Step 4: Simplify right side
    132,893.40x = 20,213,205,744.06
  5. Step 5: Solve for x
    x = 20,213,205,744.06/132,893.40
  6. Step 6: Final answer
    x = 152,100.90

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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.