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Finding the Fourth Proportional to 108,632.63, 149,919.17 and 60,889.02

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Solution

The fourth proportional to 108,632.63, 149,919.17 and 60,889.02 is: 84,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,632.63 : 149,919.17 = 60,889.02 : x
  2. Step 2: Convert to fraction form
    108,632.63/149,919.17 = 60,889.02/x
  3. Step 3: Cross multiply
    108,632.63x = 149,919.17 × 60,889.02
  4. Step 4: Simplify right side
    108,632.63x = 9,128,431,036.07
  5. Step 5: Solve for x
    x = 9,128,431,036.07/108,632.63
  6. Step 6: Final answer
    x = 84,030.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.