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Finding the Fourth Proportional to 101,586.88, 151,762.56 and 65,756.32

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Solution

The fourth proportional to 101,586.88, 151,762.56 and 65,756.32 is: 98,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,586.88 : 151,762.56 = 65,756.32 : x
  2. Step 2: Convert to fraction form
    101,586.88/151,762.56 = 65,756.32/x
  3. Step 3: Cross multiply
    101,586.88x = 151,762.56 × 65,756.32
  4. Step 4: Simplify right side
    101,586.88x = 9,979,347,459.38
  5. Step 5: Solve for x
    x = 9,979,347,459.38/101,586.88
  6. Step 6: Final answer
    x = 98,234.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.