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Finding the Fourth Proportional to 101,181.56, 151,898.09 and 65,526.17

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Solution

The fourth proportional to 101,181.56, 151,898.09 and 65,526.17 is: 98,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,181.56 : 151,898.09 = 65,526.17 : x
  2. Step 2: Convert to fraction form
    101,181.56/151,898.09 = 65,526.17/x
  3. Step 3: Cross multiply
    101,181.56x = 151,898.09 × 65,526.17
  4. Step 4: Simplify right side
    101,181.56x = 9,953,298,980.89
  5. Step 5: Solve for x
    x = 9,953,298,980.89/101,181.56
  6. Step 6: Final answer
    x = 98,370.69

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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.