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Finding the Fourth Proportional to 82,763.60, 124,145.40 and 32,855.60

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Solution

The fourth proportional to 82,763.60, 124,145.40 and 32,855.60 is: 49,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,763.60 : 124,145.40 = 32,855.60 : x
  2. Step 2: Convert to fraction form
    82,763.60/124,145.40 = 32,855.60/x
  3. Step 3: Cross multiply
    82,763.60x = 124,145.40 × 32,855.60
  4. Step 4: Simplify right side
    82,763.60x = 4,078,871,604.24
  5. Step 5: Solve for x
    x = 4,078,871,604.24/82,763.60
  6. Step 6: Final answer
    x = 49,283.40

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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.