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Finding the Fourth Proportional to 101,007.72, 151,344.06 and 61,445.16

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Solution

The fourth proportional to 101,007.72, 151,344.06 and 61,445.16 is: 92,065.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,007.72 : 151,344.06 = 61,445.16 : x
  2. Step 2: Convert to fraction form
    101,007.72/151,344.06 = 61,445.16/x
  3. Step 3: Cross multiply
    101,007.72x = 151,344.06 × 61,445.16
  4. Step 4: Simplify right side
    101,007.72x = 9,299,359,981.75
  5. Step 5: Solve for x
    x = 9,299,359,981.75/101,007.72
  6. Step 6: Final answer
    x = 92,065.83

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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.