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Finding the Fourth Proportional to 65,134.54, 97,748.45 and 27,720.89

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Solution

The fourth proportional to 65,134.54, 97,748.45 and 27,720.89 is: 41,601.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,134.54 : 97,748.45 = 27,720.89 : x
  2. Step 2: Convert to fraction form
    65,134.54/97,748.45 = 27,720.89/x
  3. Step 3: Cross multiply
    65,134.54x = 97,748.45 × 27,720.89
  4. Step 4: Simplify right side
    65,134.54x = 2,709,674,030.12
  5. Step 5: Solve for x
    x = 2,709,674,030.12/65,134.54
  6. Step 6: Final answer
    x = 41,601.18

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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.