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Finding the Fourth Proportional to 98,272.17, 147,114.47 and 60,201.51

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Solution

The fourth proportional to 98,272.17, 147,114.47 and 60,201.51 is: 90,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,272.17 : 147,114.47 = 60,201.51 : x
  2. Step 2: Convert to fraction form
    98,272.17/147,114.47 = 60,201.51/x
  3. Step 3: Cross multiply
    98,272.17x = 147,114.47 × 60,201.51
  4. Step 4: Simplify right side
    98,272.17x = 8,856,512,935.84
  5. Step 5: Solve for x
    x = 8,856,512,935.84/98,272.17
  6. Step 6: Final answer
    x = 90,122.29

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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.