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Finding the Fourth Proportional to 282,533.71, 423,753.99 and 92,996.54

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Solution

The fourth proportional to 282,533.71, 423,753.99 and 92,996.54 is: 139,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,533.71 : 423,753.99 = 92,996.54 : x
  2. Step 2: Convert to fraction form
    282,533.71/423,753.99 = 92,996.54/x
  3. Step 3: Cross multiply
    282,533.71x = 423,753.99 × 92,996.54
  4. Step 4: Simplify right side
    282,533.71x = 39,407,655,591.84
  5. Step 5: Solve for x
    x = 39,407,655,591.84/282,533.71
  6. Step 6: Final answer
    x = 139,479.48

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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.