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Finding the Fourth Proportional to 229,661.85, 344,470.51 and 69,739.18

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Solution

The fourth proportional to 229,661.85, 344,470.51 and 69,739.18 is: 104,602.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,661.85 : 344,470.51 = 69,739.18 : x
  2. Step 2: Convert to fraction form
    229,661.85/344,470.51 = 69,739.18/x
  3. Step 3: Cross multiply
    229,661.85x = 344,470.51 × 69,739.18
  4. Step 4: Simplify right side
    229,661.85x = 24,023,089,735.30
  5. Step 5: Solve for x
    x = 24,023,089,735.30/229,661.85
  6. Step 6: Final answer
    x = 104,602.00

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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.