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Finding the Fourth Proportional to 282,930.88, 424,390.15 and 133,088.11

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Solution

The fourth proportional to 282,930.88, 424,390.15 and 133,088.11 is: 199,629.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,930.88 : 424,390.15 = 133,088.11 : x
  2. Step 2: Convert to fraction form
    282,930.88/424,390.15 = 133,088.11/x
  3. Step 3: Cross multiply
    282,930.88x = 424,390.15 × 133,088.11
  4. Step 4: Simplify right side
    282,930.88x = 56,481,282,966.12
  5. Step 5: Solve for x
    x = 56,481,282,966.12/282,930.88
  6. Step 6: Final answer
    x = 199,629.26

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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.