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Finding the Fourth Proportional to 284,326.37, 426,346.92 and 94,720.07

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Solution

The fourth proportional to 284,326.37, 426,346.92 and 94,720.07 is: 142,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,326.37 : 426,346.92 = 94,720.07 : x
  2. Step 2: Convert to fraction form
    284,326.37/426,346.92 = 94,720.07/x
  3. Step 3: Cross multiply
    284,326.37x = 426,346.92 × 94,720.07
  4. Step 4: Simplify right side
    284,326.37x = 40,383,607,974.95
  5. Step 5: Solve for x
    x = 40,383,607,974.95/284,326.37
  6. Step 6: Final answer
    x = 142,032.58

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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.