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Finding the Fourth Proportional to 235,247.52, 352,877.04 and 69,040.80

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Solution

The fourth proportional to 235,247.52, 352,877.04 and 69,040.80 is: 103,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,247.52 : 352,877.04 = 69,040.80 : x
  2. Step 2: Convert to fraction form
    235,247.52/352,877.04 = 69,040.80/x
  3. Step 3: Cross multiply
    235,247.52x = 352,877.04 × 69,040.80
  4. Step 4: Simplify right side
    235,247.52x = 24,362,913,143.23
  5. Step 5: Solve for x
    x = 24,362,913,143.23/235,247.52
  6. Step 6: Final answer
    x = 103,562.89

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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.