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Finding the Fourth Proportional to 71,208.33, 106,875.85 and 37,955.85

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Solution

The fourth proportional to 71,208.33, 106,875.85 and 37,955.85 is: 56,967.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,208.33 : 106,875.85 = 37,955.85 : x
  2. Step 2: Convert to fraction form
    71,208.33/106,875.85 = 37,955.85/x
  3. Step 3: Cross multiply
    71,208.33x = 106,875.85 × 37,955.85
  4. Step 4: Simplify right side
    71,208.33x = 4,056,563,731.22
  5. Step 5: Solve for x
    x = 4,056,563,731.22/71,208.33
  6. Step 6: Final answer
    x = 56,967.54

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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.