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Finding the Fourth Proportional to 284,373.27, 426,639.62 and 124,463.14

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Solution

The fourth proportional to 284,373.27, 426,639.62 and 124,463.14 is: 186,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,373.27 : 426,639.62 = 124,463.14 : x
  2. Step 2: Convert to fraction form
    284,373.27/426,639.62 = 124,463.14/x
  3. Step 3: Cross multiply
    284,373.27x = 426,639.62 × 124,463.14
  4. Step 4: Simplify right side
    284,373.27x = 53,100,905,998.17
  5. Step 5: Solve for x
    x = 53,100,905,998.17/284,373.27
  6. Step 6: Final answer
    x = 186,729.60

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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.