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Finding the Fourth Proportional to 108,692.74, 149,995.85 and 60,302.01

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Solution

The fourth proportional to 108,692.74, 149,995.85 and 60,302.01 is: 83,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,692.74 : 149,995.85 = 60,302.01 : x
  2. Step 2: Convert to fraction form
    108,692.74/149,995.85 = 60,302.01/x
  3. Step 3: Cross multiply
    108,692.74x = 149,995.85 × 60,302.01
  4. Step 4: Simplify right side
    108,692.74x = 9,045,050,945.15
  5. Step 5: Solve for x
    x = 9,045,050,945.15/108,692.74
  6. Step 6: Final answer
    x = 83,216.70

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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.