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Finding the Fourth Proportional to 235,740.96, 353,585.52 and 69,541.92

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Solution

The fourth proportional to 235,740.96, 353,585.52 and 69,541.92 is: 104,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,740.96 : 353,585.52 = 69,541.92 : x
  2. Step 2: Convert to fraction form
    235,740.96/353,585.52 = 69,541.92/x
  3. Step 3: Cross multiply
    235,740.96x = 353,585.52 × 69,541.92
  4. Step 4: Simplify right side
    235,740.96x = 24,589,015,945.00
  5. Step 5: Solve for x
    x = 24,589,015,945.00/235,740.96
  6. Step 6: Final answer
    x = 104,305.23

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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.