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Finding the Fourth Proportional to 61,653.69, 92,300.31 and 55,744.34

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Solution

The fourth proportional to 61,653.69, 92,300.31 and 55,744.34 is: 83,453.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,653.69 : 92,300.31 = 55,744.34 : x
  2. Step 2: Convert to fraction form
    61,653.69/92,300.31 = 55,744.34/x
  3. Step 3: Cross multiply
    61,653.69x = 92,300.31 × 55,744.34
  4. Step 4: Simplify right side
    61,653.69x = 5,145,219,401.24
  5. Step 5: Solve for x
    x = 5,145,219,401.24/61,653.69
  6. Step 6: Final answer
    x = 83,453.55

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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.