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Finding the Fourth Proportional to 65,114.10, 97,879.95 and 60,491.70

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Solution

The fourth proportional to 65,114.10, 97,879.95 and 60,491.70 is: 90,931.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,114.10 : 97,879.95 = 60,491.70 : x
  2. Step 2: Convert to fraction form
    65,114.10/97,879.95 = 60,491.70/x
  3. Step 3: Cross multiply
    65,114.10x = 97,879.95 × 60,491.70
  4. Step 4: Simplify right side
    65,114.10x = 5,920,924,571.42
  5. Step 5: Solve for x
    x = 5,920,924,571.42/65,114.10
  6. Step 6: Final answer
    x = 90,931.53

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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.