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Finding the Fourth Proportional to 282,608.72, 423,753.36 and 93,017.96

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Solution

The fourth proportional to 282,608.72, 423,753.36 and 93,017.96 is: 139,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,608.72 : 423,753.36 = 93,017.96 : x
  2. Step 2: Convert to fraction form
    282,608.72/423,753.36 = 93,017.96/x
  3. Step 3: Cross multiply
    282,608.72x = 423,753.36 × 93,017.96
  4. Step 4: Simplify right side
    282,608.72x = 39,416,673,090.35
  5. Step 5: Solve for x
    x = 39,416,673,090.35/282,608.72
  6. Step 6: Final answer
    x = 139,474.37

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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.