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Finding the Fourth Proportional to 132,104.94, 198,040.76 and 101,078.70

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Solution

The fourth proportional to 132,104.94, 198,040.76 and 101,078.70 is: 151,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,104.94 : 198,040.76 = 101,078.70 : x
  2. Step 2: Convert to fraction form
    132,104.94/198,040.76 = 101,078.70/x
  3. Step 3: Cross multiply
    132,104.94x = 198,040.76 × 101,078.70
  4. Step 4: Simplify right side
    132,104.94x = 20,017,702,567.81
  5. Step 5: Solve for x
    x = 20,017,702,567.81/132,104.94
  6. Step 6: Final answer
    x = 151,528.80

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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.