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Finding the Fourth Proportional to 282,732, 423,990.27 and 124,874.34

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Solution

The fourth proportional to 282,732, 423,990.27 and 124,874.34 is: 187,263.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,732 : 423,990.27 = 124,874.34 : x
  2. Step 2: Convert to fraction form
    282,732/423,990.27 = 124,874.34/x
  3. Step 3: Cross multiply
    282,732x = 423,990.27 × 124,874.34
  4. Step 4: Simplify right side
    282,732x = 52,945,505,132.67
  5. Step 5: Solve for x
    x = 52,945,505,132.67/282,732
  6. Step 6: Final answer
    x = 187,263.93

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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.