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Finding the Fourth Proportional to 96,820.88, 145,246.08 and 49,410.12

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Solution

The fourth proportional to 96,820.88, 145,246.08 and 49,410.12 is: 74,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,820.88 : 145,246.08 = 49,410.12 : x
  2. Step 2: Convert to fraction form
    96,820.88/145,246.08 = 49,410.12/x
  3. Step 3: Cross multiply
    96,820.88x = 145,246.08 × 49,410.12
  4. Step 4: Simplify right side
    96,820.88x = 7,176,626,242.33
  5. Step 5: Solve for x
    x = 7,176,626,242.33/96,820.88
  6. Step 6: Final answer
    x = 74,122.71

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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.