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Finding the Fourth Proportional to 65,549.42, 98,324.23 and 28,085.20

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Solution

The fourth proportional to 65,549.42, 98,324.23 and 28,085.20 is: 42,127.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,549.42 : 98,324.23 = 28,085.20 : x
  2. Step 2: Convert to fraction form
    65,549.42/98,324.23 = 28,085.20/x
  3. Step 3: Cross multiply
    65,549.42x = 98,324.23 × 28,085.20
  4. Step 4: Simplify right side
    65,549.42x = 2,761,455,401.03
  5. Step 5: Solve for x
    x = 2,761,455,401.03/65,549.42
  6. Step 6: Final answer
    x = 42,127.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.