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Finding the Fourth Proportional to 282,992.56, 424,489.52 and 83,315.35

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Solution

The fourth proportional to 282,992.56, 424,489.52 and 83,315.35 is: 124,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,992.56 : 424,489.52 = 83,315.35 : x
  2. Step 2: Convert to fraction form
    282,992.56/424,489.52 = 83,315.35/x
  3. Step 3: Cross multiply
    282,992.56x = 424,489.52 × 83,315.35
  4. Step 4: Simplify right side
    282,992.56x = 35,366,492,930.13
  5. Step 5: Solve for x
    x = 35,366,492,930.13/282,992.56
  6. Step 6: Final answer
    x = 124,973.23

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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.