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Finding the Fourth Proportional to 108,461.97, 149,676.03 and 60,715.35

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Solution

The fourth proportional to 108,461.97, 149,676.03 and 60,715.35 is: 83,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,461.97 : 149,676.03 = 60,715.35 : x
  2. Step 2: Convert to fraction form
    108,461.97/149,676.03 = 60,715.35/x
  3. Step 3: Cross multiply
    108,461.97x = 149,676.03 × 60,715.35
  4. Step 4: Simplify right side
    108,461.97x = 9,087,632,548.06
  5. Step 5: Solve for x
    x = 9,087,632,548.06/108,461.97
  6. Step 6: Final answer
    x = 83,786.35

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1.5x scale

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.