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Finding the Fourth Proportional to 65,110.34, 97,665.52 and 20,750.70

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Solution

The fourth proportional to 65,110.34, 97,665.52 and 20,750.70 is: 31,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,110.34 : 97,665.52 = 20,750.70 : x
  2. Step 2: Convert to fraction form
    65,110.34/97,665.52 = 20,750.70/x
  3. Step 3: Cross multiply
    65,110.34x = 97,665.52 × 20,750.70
  4. Step 4: Simplify right side
    65,110.34x = 2,026,627,905.86
  5. Step 5: Solve for x
    x = 2,026,627,905.86/65,110.34
  6. Step 6: Final answer
    x = 31,126.05

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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.