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Finding the Fourth Proportional to 98,335.44, 147,363.64 and 75,760.72

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Solution

The fourth proportional to 98,335.44, 147,363.64 and 75,760.72 is: 113,533.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,335.44 : 147,363.64 = 75,760.72 : x
  2. Step 2: Convert to fraction form
    98,335.44/147,363.64 = 75,760.72/x
  3. Step 3: Cross multiply
    98,335.44x = 147,363.64 × 75,760.72
  4. Step 4: Simplify right side
    98,335.44x = 11,164,375,468.22
  5. Step 5: Solve for x
    x = 11,164,375,468.22/98,335.44
  6. Step 6: Final answer
    x = 113,533.59

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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.