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Finding the Fourth Proportional to 104,955.50, 157,455.72 and 38,395.37

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Solution

The fourth proportional to 104,955.50, 157,455.72 and 38,395.37 is: 57,601.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,955.50 : 157,455.72 = 38,395.37 : x
  2. Step 2: Convert to fraction form
    104,955.50/157,455.72 = 38,395.37/x
  3. Step 3: Cross multiply
    104,955.50x = 157,455.72 × 38,395.37
  4. Step 4: Simplify right side
    104,955.50x = 6,045,569,840.74
  5. Step 5: Solve for x
    x = 6,045,569,840.74/104,955.50
  6. Step 6: Final answer
    x = 57,601.27

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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.