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Finding the Fourth Proportional to 76,792.68, 114,964.74 and 62,030.34

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Solution

The fourth proportional to 76,792.68, 114,964.74 and 62,030.34 is: 92,864.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,792.68 : 114,964.74 = 62,030.34 : x
  2. Step 2: Convert to fraction form
    76,792.68/114,964.74 = 62,030.34/x
  3. Step 3: Cross multiply
    76,792.68x = 114,964.74 × 62,030.34
  4. Step 4: Simplify right side
    76,792.68x = 7,131,301,910.21
  5. Step 5: Solve for x
    x = 7,131,301,910.21/76,792.68
  6. Step 6: Final answer
    x = 92,864.34

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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.