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Finding the Fourth Proportional to 74,795.50, 103,210.60 and 41,259.34

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Solution

The fourth proportional to 74,795.50, 103,210.60 and 41,259.34 is: 56,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,795.50 : 103,210.60 = 41,259.34 : x
  2. Step 2: Convert to fraction form
    74,795.50/103,210.60 = 41,259.34/x
  3. Step 3: Cross multiply
    74,795.50x = 103,210.60 × 41,259.34
  4. Step 4: Simplify right side
    74,795.50x = 4,258,401,237.00
  5. Step 5: Solve for x
    x = 4,258,401,237.00/74,795.50
  6. Step 6: Final answer
    x = 56,933.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.