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Finding the Fourth Proportional to 282,940.49, 424,320.59 and 93,365.53

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Solution

The fourth proportional to 282,940.49, 424,320.59 and 93,365.53 is: 140,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,940.49 : 424,320.59 = 93,365.53 : x
  2. Step 2: Convert to fraction form
    282,940.49/424,320.59 = 93,365.53/x
  3. Step 3: Cross multiply
    282,940.49x = 424,320.59 × 93,365.53
  4. Step 4: Simplify right side
    282,940.49x = 39,616,915,947.88
  5. Step 5: Solve for x
    x = 39,616,915,947.88/282,940.49
  6. Step 6: Final answer
    x = 140,018.54

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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.