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Finding the Fourth Proportional to 65,166.44, 97,741.98 and 51,319.40

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Solution

The fourth proportional to 65,166.44, 97,741.98 and 51,319.40 is: 76,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,166.44 : 97,741.98 = 51,319.40 : x
  2. Step 2: Convert to fraction form
    65,166.44/97,741.98 = 51,319.40/x
  3. Step 3: Cross multiply
    65,166.44x = 97,741.98 × 51,319.40
  4. Step 4: Simplify right side
    65,166.44x = 5,016,059,768.41
  5. Step 5: Solve for x
    x = 5,016,059,768.41/65,166.44
  6. Step 6: Final answer
    x = 76,973.05

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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.