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Finding the Fourth Proportional to 65,261.70, 97,892.55 and 61,325.10

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Solution

The fourth proportional to 65,261.70, 97,892.55 and 61,325.10 is: 91,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,261.70 : 97,892.55 = 61,325.10 : x
  2. Step 2: Convert to fraction form
    65,261.70/97,892.55 = 61,325.10/x
  3. Step 3: Cross multiply
    65,261.70x = 97,892.55 × 61,325.10
  4. Step 4: Simplify right side
    65,261.70x = 6,003,270,418.01
  5. Step 5: Solve for x
    x = 6,003,270,418.01/65,261.70
  6. Step 6: Final answer
    x = 91,987.65

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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.