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Finding the Fourth Proportional to 309,951.54, 465,004.53 and 88,335.54

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Solution

The fourth proportional to 309,951.54, 465,004.53 and 88,335.54 is: 132,525.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,951.54 : 465,004.53 = 88,335.54 : x
  2. Step 2: Convert to fraction form
    309,951.54/465,004.53 = 88,335.54/x
  3. Step 3: Cross multiply
    309,951.54x = 465,004.53 × 88,335.54
  4. Step 4: Simplify right side
    309,951.54x = 41,076,426,260.00
  5. Step 5: Solve for x
    x = 41,076,426,260.00/309,951.54
  6. Step 6: Final answer
    x = 132,525.32

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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.