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Finding the Fourth Proportional to 282,797.28, 424,186.08 and 72,437.04

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Solution

The fourth proportional to 282,797.28, 424,186.08 and 72,437.04 is: 108,653.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,797.28 : 424,186.08 = 72,437.04 : x
  2. Step 2: Convert to fraction form
    282,797.28/424,186.08 = 72,437.04/x
  3. Step 3: Cross multiply
    282,797.28x = 424,186.08 × 72,437.04
  4. Step 4: Simplify right side
    282,797.28x = 30,726,784,044.40
  5. Step 5: Solve for x
    x = 30,726,784,044.40/282,797.28
  6. Step 6: Final answer
    x = 108,653.04

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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.