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Finding the Fourth Proportional to 284,980.54, 427,588.52 and 124,973.65

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Solution

The fourth proportional to 284,980.54, 427,588.52 and 124,973.65 is: 187,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,980.54 : 427,588.52 = 124,973.65 : x
  2. Step 2: Convert to fraction form
    284,980.54/427,588.52 = 124,973.65/x
  3. Step 3: Cross multiply
    284,980.54x = 427,588.52 × 124,973.65
  4. Step 4: Simplify right side
    284,980.54x = 53,437,298,042.50
  5. Step 5: Solve for x
    x = 53,437,298,042.50/284,980.54
  6. Step 6: Final answer
    x = 187,512.09

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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.