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Finding the Fourth Proportional to 77,608.17, 116,362.17 and 37,059.75

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Solution

The fourth proportional to 77,608.17, 116,362.17 and 37,059.75 is: 55,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,608.17 : 116,362.17 = 37,059.75 : x
  2. Step 2: Convert to fraction form
    77,608.17/116,362.17 = 37,059.75/x
  3. Step 3: Cross multiply
    77,608.17x = 116,362.17 × 37,059.75
  4. Step 4: Simplify right side
    77,608.17x = 4,312,352,929.66
  5. Step 5: Solve for x
    x = 4,312,352,929.66/77,608.17
  6. Step 6: Final answer
    x = 55,565.71

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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.